CN103907652B - A kind of intelligent lower temperature vacuum frying pot - Google Patents
A kind of intelligent lower temperature vacuum frying pot Download PDFInfo
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- CN103907652B CN103907652B CN201410135110.9A CN201410135110A CN103907652B CN 103907652 B CN103907652 B CN 103907652B CN 201410135110 A CN201410135110 A CN 201410135110A CN 103907652 B CN103907652 B CN 103907652B
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Abstract
The present invention relates to a kind of intelligent lower temperature vacuum frying pot, it comprises a pot ectosome, interior pot and material pot, described pot ectosome is the casing of sealing, interior pot is arranged in pot ectosome, be used for loading oil, be provided with steam-heating pipe in interior pot, pot ectosome side is provided with steam inlet tube, the air inlet of steam inlet tube and steam-heating pipe leads to, and steam inlet tube is provided with magnetic valve; Interior pot inwall is provided with temperature sensor; Material pot is arranged in interior pot, and the inwall of the pot ectosome of material pot side is provided with the first drive unit, and described first drive unit is by the side of actuating arm binder pot; One end face of described pot ectosome offers the pot door that can slide up and down, and the lateral wall of pot ectosome arranges the second drive unit, and the second drive unit connects pot door by actuating arm; At the charging aperture place of described outer pot, one food safety detection system is set.The present invention realizes the Based Intelligent Control of video, ensure that the low-temperature frying effect of food.
Description
Technical field
The present invention relates to food processing field, particularly relate to
a kind of intelligent lower temperature vacuum frying pot.
Background technology
Frying at normal atmospheric pressure, temperature is generally more than 160 DEG C.Food is fried through high temperature, and wherein each kind of nutrient is seriously damaged.High temperature makes protein burned rotten and reduces nutritive value, and high temperature also can destroy the liposoluble vitamin in food, as vitamin A, carrotene and vitamin E, hinders human body to their absorption and utilization.Destroy, color is affected the composition generation number of chemical reaction of oil, causes frying oil to become sour deterioration, and grease can retrogradation, produces kakgeusia, even can produce some harmful even carcinogenic materials, affect the health of consumer.Constant-pressure and high-temperature fried food oil content is all very high, and the requirement of the universal and food hygiene of the very high transformation along with people's consumption idea of oil consumption and nutrient knowledge, constant-pressure and high-temperature frying technological process progressively eliminates.
Vacuum low-temperature frying is the boiling point reducing oil in decompression (vacuum), and in food, moisture vaporization realizes the object of low-temperature frying, thus avoids food nourishment composition to run off in a large number.Can rapid dehydration at short notice, what realize to food under low temperature (95 DEG C) condition is fried.Deep fat, as the medium of food-dewatering heat supply, can also play the effect improving flavour of food products.Fruits and vegetables before fried float soup, the flesh of fish etc. through superheated water and process through shortening, pretreated object, keep primary colors and the original flavor of food as far as possible, improve the solid content of raw material, improve the tissue intensity of goods, reduce the oil content of food, stricti jurise is said, vacuum frying is actually the process of the drying and dehydrating to food, only using the medium of oil as heat supply, friedly has basic difference with said in life.In view of above-mentioned defect, creator of the present invention obtains this creation finally through long research and practice.
Summary of the invention
The object of the present invention is to provide a kind of intelligent lower temperature vacuum frying pot, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the invention provides a kind of intelligent lower temperature vacuum frying pot, it comprises a pot ectosome, interior pot and material pot, described pot ectosome is the casing of sealing, interior pot is arranged in pot ectosome, is provided with steam-heating pipe in interior pot, and pot ectosome side is provided with steam inlet tube, the air inlet of steam inlet tube and steam-heating pipe leads to, and steam inlet tube is provided with magnetic valve; Interior pot inwall is provided with temperature sensor; Material pot is arranged in interior pot, and the inwall of the pot ectosome of material pot side is provided with the first drive unit, and described first drive unit is by the side of actuating arm binder pot; One end face of described pot ectosome offers the pot door that can slide up and down, and the lateral wall of pot ectosome arranges the second drive unit, and the second drive unit connects pot door by actuating arm;
The sidewall of described pot ectosome is connected with a pipeline, and one end UNICOM pot ectosome of pipeline is interior, the other end is connected with evacuator, and pipeline is provided with valve;
Described pot ectosome outer wall is also provided with electric cabinet, and pot ectosome inwall is provided with vacuum transducer, and described electric cabinet is electrically connected with magnetic valve, temperature sensor, vacuum transducer, the first drive unit and the second drive unit respectively;
At the charging aperture place of described outer pot, one food safety detection system is set.
Further, PLC is provided with in described electric cabinet, described magnetic valve, temperature sensor, vacuum transducer, the signal output part that the first drive unit is corresponding with in PLC respectively with the signal input part of the second drive unit are connected, and described PLC is provided with control button.
Further, described pot door and pot ectosome joint are provided with sealing gasket.
Further, described pot ectosome and interior pot are the double-layer vacuum structure that stainless steel material is made, and steam-heating pipe is arranged in the vacuum chamber of interior pot.
Further, food safety detection system comprises detecting unit, sampling unit, logic analysis unit and action execution unit, and above-mentioned each unit connects successively;
Described detecting unit is to the moisture of processed food
, sugar
deng composition and gas, weight
, specification
carry out Scanning Detction etc. information, and by this information transmission to described sampling unit, each analog information gathered is carried out A/D conversion by described sampling unit, the digital data transmission of conversion is to described logic analysis unit;
Described logic analysis unit carries out analytic record to the testing result of each sensor, and transfers in described PLC, and described PLC, according to the above-mentioned food information gathered, controls the vacuum of pot, deep-fat frying time, oil temperature, cooling water temperature.
Further, described detecting unit comprises weight sensor, biology sensor group, context detection module and composition detection module, wherein,
Described weight sensor, the weight information of the food of detection transfers in described sampling unit by real time; Described biology sensor group, be an exhaust dependent sensor, described gas sensor arranges different detection frequencies respectively
, different food products is detected respectively; Described composition detection module comprises a spectral collector, gathers the composition information of food; Described context detection module comprises a humidity sensor and temperature sensor, carries out temperature and humidity detection to foods to be processed, detects the external environmental information of food.
Further, described logic analysis unit transfers to described action execution unit according to analysis result, and described action execution unit comprises relay group, carries out adjustment respectively control each sensor and driver element.
Further, described PLC is according to moisture
, sugar
deng composition and gas, weight
, specification
, and the detection frequency of the food of gas sensor detection
, the food frequency that spectral collector gathers
; Wherein, the vacuum of described pot
determine according to following formula,
In formula,
represent standard atmospheric pressure,
the diameter of pot in representing,
moisture in expression food,
represent the sugar in food,
represent gas detection frequency,
represent the weight of food,
represent the specification of product,
represent the food frequency that spectral collector gathers;
The vacuum of pot
be directly proportional to the food frequency of moisture, gas frequency, spectral collector collection and quality, be inversely proportional to sugar, specification.
Further, the oil temperature in pot
, determine according to following formula,
In formula,
represent the oil temperature in pot,
moisture in expression food,
represent the sugar in food,
represent the weight of food,
represent deep-fat frying time,
represent starting phase angle, determined by system itself,
represent vacuum,
represent the food frequency that spectral collector gathers;
Oil temperature in pot increases, with the vacuum of pot along with the increase of moisture, sugar and quality
increase and reduce.
Further, the oil drain out of described vacuum oil frying pot also arranges one quality detection system, and it comprises an acid value detector and a peroxide value detector, oil is discharged through pot, through acid value detector and peroxide value detector and a detection, obtain the peroxide agent of oily oil quality, acid value value.
Beneficial effect of the present invention is compared with prior art: the present invention makes to be negative pressure in pot by the evacuator air pressure reduced in pot, PLC controls electric heater unit and keeps interior pot oil temperature constant, material pot can fluctuate to ensure food all because being heated and oil strain in interior pot, ensure that the low-temperature frying effect of food; Vacuum in the vacuum transducer moment display pot arranged in pot ectosome, pot door is contained in a side of pot body region, can slide up and down switch, conveniently pass in and out food by PLC; A seal washer is had to play vacuum closed effect in pot door.The present invention first drive unit comprises vertically adjustment and expects the screw-nut body of pot height, and dividing of angle adjustment reads dish, linkage, ensures that material pot can be elevated, to ensure food thermally equivalent by the vertical direction; Meanwhile, can also wallowing motion, ensure that material pot can oil strain.
That the present invention continues food to be processed, omnibearing detection, to the weight of food, the external environment condition of food inspection, the gas in food and composition detect, and improve the accuracy detected with judging; PLC according to the parameter of the special component of food, biological information and food product environment setting processing, can ensure food security, effectively processes.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-efficiency vacuum low-temperature deep frying pan of the present invention;
Fig. 2 is the electrical structure block diagram of high-efficiency vacuum low-temperature deep frying pan of the present invention;
Fig. 3 is the side-looking structural representation of the present invention first drive unit;
Fig. 4 be the present invention first drive unit face structural representation;
Fig. 5 is the functional block diagram of food safety detection system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
Refer to shown in Fig. 1, its structural representation being high-efficiency vacuum low-temperature deep frying pan of the present invention, it comprises pot ectosome 1, interior pot 2 and material pot 4, described pot ectosome 1 is the casing of sealing, interior pot 2 is arranged in pot ectosome 1, is provided with steam-heating pipe 3 in interior pot 2, and pot ectosome 1 side is provided with steam inlet tube 14, the air inlet UNICOM of steam inlet tube 14 and steam-heating pipe 3, steam inlet tube 14 is provided with magnetic valve 15; Interior pot 2 inwall is provided with temperature sensor 8; Material pot 4 is arranged in interior pot 2, and described material pot is poroid; The inwall of the pot ectosome 1 of material pot 4 side is provided with the first drive unit 9, and described first drive unit 9 is by the side of actuating arm binder pot 4; One end face of described pot ectosome 1 offers the pot door 5 that can slide up and down, and the lateral wall of pot ectosome 1 arranges the second drive unit 6, second drive unit 6 and connects pot door 5 by actuating arm; The sidewall of described pot ectosome 1 is connected with a pipeline 10, and one end UNICOM pot ectosome 1 of pipeline 10 is interior, the other end is connected with evacuator 12, and pipeline 10 is provided with valve 11; Described pot ectosome 1 outer wall is also provided with electric cabinet 13, and pot ectosome 1 inwall is provided with vacuum transducer 16, and described electric cabinet is electrically connected with magnetic valve 15, temperature sensor 8, vacuum transducer 16, first drive unit 9 and the second drive unit 6 respectively.
Refer to shown in Fig. 2, its electrical structure block diagram being high-efficiency vacuum low-temperature deep frying pan of the present invention, PLC is provided with in electric cabinet 13, described magnetic valve 15, temperature sensor 8, the signal output part that vacuum transducer 16, first drive unit 9 is corresponding with in PLC respectively with the signal input part of the second drive unit 6 are connected, and PLC is provided with control button.Power supply is powered, the temperature signal that PLC temperature sensor 8 gathers carrys out the opening and closing of automatic control and adjustment magnetic valve 15, so that keep oil temperature in interior pot 2 constant, PLC gathers the signal of telecommunication of vacuum transducer 16, again by controlling the valve 11 that evacuator 12 connects, moment ensures that the vacuum in pot ectosome 1 is constant, the first drive unit 9 and the second drive unit 6 action is controlled by control button, control the switch of pot door 5 and control underdrive on material pot 4, reach stirring food in material pot 4, be convenient to food fried ripe fast.
In described interior pot 2, arrange fuel level sensor, internally the oil level of pot detects in real time, and described PLC, according to the change of oil level, controls the automatic repairing of deep fryer.
For ease of ensureing the sealing effectiveness in pot ectosome 1, pot door 5 and pot ectosome 1 joint are provided with sealing gasket 7.
For isolated oil temperature distributes the oil temperature stability ensured in interior pot 2, pot ectosome 1 and interior pot 2 are the double-layer vacuum structure that stainless steel material is made, and steam-heating pipe 3 is arranged in the vacuum chamber of interior pot 2.
Can fluctuate to ensure food thermally equivalent and oil strain in interior pot 2 in order to material pot 4 can be made, described first drive unit 9 is set, refer to shown in Fig. 3 and 4, it is side-looking of the present invention first drive unit and faces structural representation, described first drive unit comprises bearing end 95, divides and read dish 94, head rod 93, second connecting rod 91, wherein
Reading dish 94 for described point is arranged in the groove 951 of described bearing end 95, described head rod 93 is connected with the second connecting rod 91, and, two bars are vertical, described head rod 93 is connected with described point of center of reading dish 94, described point read dish 94 rotate time, described head rod 93 rotates with it, and drives described second connecting rod 91 to swing; The sidewall of described second connecting rod 91 end and described interior pot 2 is connected and fixed, and drives described interior pot 2 to make slight oscillatory, to make described food thermally equivalent.
Described bearing end 95 arranges groove 951, and described groove 951 is vertically offered, and arranges overhead gage and lower baffle plate at described groove about 951 two ends; In described groove 951, arrange screw-nut body, wherein, leading screw 952 is vertically arranged along described groove 951, leading screw 952 one end passes described overhead gage, and be connected with a gear train 96, described gear train is connected with a drive motors, and drive described gear train action; Described leading screw 952 connects a nut 953, described nut 953 moves up and down along described leading screw 952.
Described nut 953 arranges described 4 points and reads dish 94, when described nut 953 moves up and down, read dish 94 and read to coil first and second connecting rod of being connected with described point and expect that pot 4 also moves up and down for described point.
Read dish 94 for described point and preset fixing corner, this default corner controls adjustment according to PLC; The inwall of described interior pot 2 is provided with limited post 956, described point read dish turn to extreme position time, the pivot angle of described second connecting rod 91 arrives maximum, and described second connecting rod 91 contacts with limited post 956, limits the swing of described material pot.
Described second connecting rod 91 arranges angular transducer 92, in real time the pivot angle of material pot is detected, and transfer in described PLC; Material pot temperature sensor 41 is set at described material pot bottom, measures the temperature of described material pot in real time, and transmit it in described PLC; Setting position sensor 957 on described nut 953, it measures the depth information of described interior pot in real time, and transmits it in described PLC.
In the present invention, described PLC, according to the temperature of described material pot, adjusts height and the pivot angle of described material pot, and when the temperature of described material pot reaches T1, described PLC controls described material pot upwards range of lift H1; This temperature T transfers in described PLC by described material pot temperature sensor 41, and when described PLC judges that this temperature T is greater than T1, (1) calculates according to the following equation,
（1）
In formula,
represent the length of the second connecting rod,
represent the pivot angle of material pot,
represent the real time temperature of material pot,
represent the pitch of nut screw.
Described PLC controls described electric machine rotation, drive described screw turns, nut on it moves up, institute's displacement sensors detects nut in real time and divides the position of reading to coil, when reaching default position, launch information to described PLC, described PLC controls described motor and quits work.
When continuing to be heated to temperature T, when described material pot temperature arrives T2, described PLC controls described material pot pendulum angle
, this angle is determined according to following formula (2),
（2）
In formula,
represent the length of the second connecting rod,
represent the initial pendulum angle of material pot,
represent the degree of depth of material pot.
Described PLC controls to read to coil rotational angle dividing on described nut
, described second connecting rod pendulum angle
, accordingly, described material pot pendulum angle
.
The present invention first drive unit comprises vertically adjustment and expects the screw-nut body of pot height, and dividing of angle adjustment reads dish, linkage, ensures that material pot can be elevated, to ensure food thermally equivalent by the vertical direction; Meanwhile, can also wallowing motion, ensure that material pot can oil strain.
In order to ensure that this deep fryer processes safe food, at the charging aperture place of described outer pot, one food safety detection system is set, this food safety detection system comprises detecting unit 112, sampling unit 211, logic analysis unit 212 and action execution unit 213, and above-mentioned each unit connects successively; Described detecting unit 112 is to the moisture of processed food
, sugar
deng composition and gas, weight
, specification
carry out Scanning Detction etc. information, and by this information transmission to described sampling unit 211, each analog information gathered is carried out A/D conversion by described sampling unit 211, the digital data transmission of conversion is to described logic analysis unit 212; The testing result of described logic analysis unit 212 to each sensor is analyzed and record, and transfers in described PLC, and described PLC, according to the above-mentioned food information gathered, controls the vacuum of pot, deep-fat frying time, oil temperature, cooling water temperature.
Described logic analysis unit 212 transfers to described action execution unit 213 according to analysis result, and described action execution unit 213 comprises relay group, carries out adjustment respectively control each sensor and driver element 214.
Described detecting unit 112 comprises weight sensor 113, biology sensor group 116, context detection module 114 and composition detection module 115, wherein,
Described weight sensor 113, the weight information of the food of detection transfers in described sampling unit 211 by real time; Described biology sensor group 116, in the present embodiment, described biology sensor group 116 is an exhaust dependent sensor, and described gas sensor arranges different detection frequencies respectively
, different food products is detected respectively; Described composition detection module 115 comprises a spectral collector, gathers the composition information of food, as the information such as chlorophyll, fat content; Described context detection module 114 comprises a humidity sensor and temperature sensor, carries out temperature and humidity detection to foods to be processed, detects the external environmental information of food.
That the present invention continues food to be processed, omnibearing detection, to the weight of food, the external environment condition of food inspection, the gas in food and composition detect, and improve the accuracy detected with judging; The vacuum of pot can be controlled in process
, deep-fat frying time
, oil temperature
, cooling water temperature
.
Described PLC is according to moisture
, sugar
deng composition and gas, weight
, specification
, and the detection frequency of the food of gas sensor detection
, the food frequency that spectral collector gathers
; Wherein, the vacuum of described pot
determine according to following formula (3),
（3）
In formula,
represent standard atmospheric pressure,
the diameter of pot in representing,
moisture in expression food,
represent the sugar in food,
represent gas detection frequency,
represent the weight of food,
represent the specification of product,
represent the food frequency that spectral collector gathers.
The vacuum of pot
be directly proportional to the food frequency of moisture, gas frequency, spectral collector collection and quality, be inversely proportional to sugar, specification, ensure that pot works under suitable vacuum.
Oil temperature in pot
, determine according to following formula (4),
（4）
In formula,
represent the oil temperature in pot,
moisture in expression food,
represent the sugar in food,
represent the weight of food,
represent deep-fat frying time,
represent starting phase angle, determined by system itself,
represent vacuum,
represent the food frequency that spectral collector gathers.
Oil temperature in pot increases, with the vacuum of pot along with the increase of moisture, sugar and quality
increase and reduce, ensureing that food can process maturation.
PLC in the present invention according to the parameter of the special component of food, biological information and food product environment setting processing, can ensure food security, effectively processes.
Also arrange one at the oil drain out of described vacuum oil frying pot and have quality detection system, it comprises an acid value detector and a peroxide value detector, and oil is discharged, through acid value detector and peroxide value detector and a detection through pot, obtain the peroxide agent of oily oil quality, acid value value; And transferring in described PLC, described PLC is connected with a display module, in the present embodiment, is a display, in real time the output information of the described PLC of display.
The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1. an intelligent lower temperature vacuum frying pot, it is characterized in that, it comprises a pot ectosome, interior pot and material pot, described pot ectosome is the casing of sealing, interior pot is arranged in pot ectosome, is provided with steam-heating pipe in interior pot, and pot ectosome side is provided with steam inlet tube, the air inlet UNICOM of steam inlet tube and steam-heating pipe, steam inlet tube is provided with magnetic valve; Interior pot inwall is provided with temperature sensor; Material pot is arranged in interior pot, and the inwall of the pot ectosome of material pot side is provided with the first drive unit, and described first drive unit is by the side of actuating arm binder pot; One end face of described pot ectosome offers the pot door that can slide up and down, and the lateral wall of pot ectosome arranges the second drive unit, and the second drive unit connects pot door by actuating arm;
The sidewall of described pot ectosome is connected with a pipeline, and one end UNICOM pot ectosome of pipeline is interior, the other end is connected with evacuator, and pipeline is provided with valve;
Described pot ectosome outer wall is also provided with electric cabinet, and pot ectosome inwall is provided with vacuum transducer, and described electric cabinet is electrically connected with magnetic valve, temperature sensor, vacuum transducer, the first drive unit and the second drive unit respectively;
At the charging aperture place of outer pot, one food safety detection system is set;
Food safety detection system comprises detecting unit, sampling unit, logic analysis unit and action execution unit, and above-mentioned each unit connects successively;
Described detecting unit is to the moisture of processed food
, sugar
and food weight
, product specification size
information carries out Scanning Detction, and by this information transmission to described sampling unit, each analog information gathered is carried out A/D conversion by described sampling unit, and the digital data transmission of conversion is to described logic analysis unit;
Described logic analysis unit carries out analytic record to the testing result of each sensor, and transfers in PLC, and described PLC, according to the food information gathered, controls the vacuum of pot, deep-fat frying time, oil temperature, cooling water temperature.
2. intelligent lower temperature vacuum frying pot according to claim 1, it is characterized in that, PLC is provided with in described electric cabinet, described magnetic valve, temperature sensor, vacuum transducer, the signal output part that the first drive unit is corresponding with in PLC respectively with the signal input part of the second drive unit are connected, and described PLC is provided with control button; In described interior pot, arrange fuel level sensor, internally the oil level of pot detects in real time, and described PLC, according to the change of oil level, controls the automatic repairing of deep fryer.
3. intelligent lower temperature vacuum frying pot according to claim 2, is characterized in that, described pot door and pot ectosome joint are provided with sealing gasket.
4. the intelligent lower temperature vacuum frying pot according to Claims 2 or 3, is characterized in that, described pot ectosome and interior pot are the double-layer vacuum structure that stainless steel material is made, and steam-heating pipe is arranged in the vacuum chamber of interior pot.
5. intelligent lower temperature vacuum frying pot according to claim 1, is characterized in that, described detecting unit comprises weight sensor, biology sensor group, context detection module and composition detection module, wherein,
Described weight sensor, the weight information of the food of detection transfers in described sampling unit by real time; Described biology sensor group, be an exhaust dependent sensor, described gas sensor arranges different detection frequencies respectively
, different food products is detected respectively; Described composition detection module comprises a spectral collector, gathers the composition information of food; Described context detection module comprises a humidity sensor and temperature sensor, carries out temperature and humidity detection to foods to be processed, detects the external environmental information of food.
6. intelligent lower temperature vacuum frying pot according to claim 5, it is characterized in that, described logic analysis unit transfers to described action execution unit according to analysis result, and described action execution unit comprises relay group, carries out adjustment respectively control each sensor and driver element.
7. intelligent lower temperature vacuum frying pot according to claim 5, is characterized in that,
Described PLC is according to moisture
, sugar
and food weight
, product specification size
, and the detection frequency of the food of gas sensor detection
, the food frequency that spectral collector gathers
; Wherein, the vacuum of described pot
determine according to following formula,
In formula,
represent standard atmospheric pressure,
the diameter of pot in representing,
moisture in expression food,
represent the sugar in food,
represent gas sensor detect food detection frequency,
represent the weight of food,
represent the specification of product,
represent the food frequency that spectral collector gathers;
The vacuum of pot
to moisture, detect frequency, the food frequency of spectral collector collection and weight and be directly proportional, be inversely proportional to sugar, product specification size.
8. intelligent lower temperature vacuum frying pot according to claim 7, is characterized in that,
Oil temperature in pot
, determine according to following formula,
In formula,
represent the oil temperature in pot,
moisture in expression food,
represent the sugar in food,
represent the weight of food,
represent deep-fat frying time,
represent starting phase angle, determined by system itself,
represent vacuum,
represent the food frequency that spectral collector gathers;
Oil temperature in pot increases, with the vacuum of pot along with the increase of moisture, sugar and weight
increase and reduce.
9. intelligent lower temperature vacuum frying pot according to claim 5, it is characterized in that, the oil drain out of described vacuum oil frying pot also arranges one quality detection system, it comprises an acid value detector and a peroxide value detector, oil is discharged through pot, detect through acid value detector and a peroxide value detector, obtain the peroxide agent of oil quality, acid value value.
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| CN103907652A (en) | 2014-07-09 |
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Denomination of invention: An intelligent low-temperature vacuum fryer Effective date of registration: 20230315 Granted publication date: 20160120 Pledgee: Postal Savings Bank of China Limited Laiyang sub branch Pledgor: LAIYANG HENGRUN FOODSTUFF Co.,Ltd. Registration number: Y2023980034907 |
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