CN104310764B - Continuous bending furnace - Google Patents
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- CN104310764B CN104310764B CN201410531177.4A CN201410531177A CN104310764B CN 104310764 B CN104310764 B CN 104310764B CN 201410531177 A CN201410531177 A CN 201410531177A CN 104310764 B CN104310764 B CN 104310764B
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Abstract
The invention relates to the technical field of bending forming of glass plates and in particular provides a continuous bending furnace. The continuous bending furnace comprises a furnace body structure, a conveyer and a forming mold, wherein the furnace body structure is divided into upper and lower two layers; the upper layer of the furnace body structure is orderly divided into a preheating zone, a bending zone, an annealing zone and a descending zone; a blast apparatus is arranged in the annealing zone, and comprises an air blower, an air volume regulating valve and a guiding device, all of which are orderly communicated with each other; the air outlet of the guiding device is located in the annealing zone and corresponds to the periphery of a glass plate; and external air can be blown to the periphery of the glass plate by use of the air volume regulating valve and the guiding device. The continuous bending furnace has the advantages that the annealing zone is arranged at the upper layer of the furnace body structure and used for annealing in combination with air blowing to the periphery of the glass plate, and therefore, the annealing effect can be improved, the pressure stress of the edges of the glass plate can be increased and the tensile stress of the edges of the glass plate can be reduced, and furthermore, the tensile stress of the annealed glass plate can be controlled below 5MPa and the pressure stress of the glass plate can be above 10MPa.
Description
Technical field:
The present invention relates to the brake forming technical field of glass plate, a kind of continuous bending furnace is particularly provided, also provides for one simultaneously
Apply the method that this continuous bending furnace carries out continuous glass bent through baking plate.
Background technology:
It is known that glass plate can sequentially pass through during continuously transmitting in continuous bending furnace preheating, dry curved, annealing and
The operations such as bottom sheet realize drying roll forming.Traditional continuous bending furnace is divided into upper and lower double-layer structure, and upper strata typically sets gradually preheating
District and Hong Wan district, lower floor is typically provided with annealed zone；Such as disclosed in Chinese patent CN101948237B front windshield of bus is even
Continuous drying roll forming stove and dry roll forming technique continuously, its body of heater is made up of upper and lower two-layer, the upper strata of body of heater be divided into the first preheating zone,
Second preheating zone and Hong Wan district, the lower floor of body of heater is divided into transfer district, annealed zone and cooling zone；These similar traditional annealed zones
It is arranged on the lower floor of continuous bending furnace, generally i.e. uses a blower fan constantly by the air of band heat in the way of indirec radiation annealing
Be extracted into external factory, so exist control mode single, annealing degree can only by being determined by induced draft fans size, be difficult to
Reach accurately to control the shortcoming such as purpose of annealing, and this annealing way is typically directed at the middle section of glass plate, wants to increase
There is bigger difficulty in the tensile stress of the compressive stress of glass plate edge and reduction glass plate edge.
Summary of the invention:
The technical problem to be solved is extremely difficult to accurately control annealing for the existence of above-mentioned existing continuous bending furnace
There is the shortcomings such as bigger difficulty in the tensile stress of purpose, the compressive stress increasing glass plate edge and reduction glass plate edge, it is provided that a kind of
Continuous bending furnace, also provides for the method that this continuous bending furnace of a kind of application carries out continuous glass bent through baking plate simultaneously.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of continuous bending furnace, including furnace binding, transmission dress
Putting and mould, be provided with loading place at the front end exit of furnace binding, furnace binding is divided into upper and lower two-layer, mould
Being fixedly installed on transmitting device, transmitting device can drive mould loopy moving in furnace binding, it is characterised in that:
The upper strata of furnace binding sets gradually into preheating zone, Hong Wan district, annealed zone and decline district, and the lower floor of furnace binding sets gradually into
Cooling zone, transition region and transmission are come out of the stove district, and described cooling zone is positioned at the underface declining district, and described annealed zone is provided with blowing dress
Putting, described blowing device includes aerator, air-quantity adjusting valve and the guiding device being sequentially communicated, and the furnace roof of described annealed zone is opened
Being provided with opening, guiding device is arranged on the furnace roof opening part of described annealed zone, and the air outlet of described guiding device is positioned at annealed zone
And the surrounding edge of correspondence glass plate, outside air can blow the surrounding to glass plate through air-quantity adjusting valve and guiding device
Edge.
Further, described baking is curved divides into the curved district of preliminary drying and final Hong Wan district, and the heating-up temperature in the curved district of described preliminary drying is less than described
The heating-up temperature in final Hong Wan district.
Further, the blowing direction of the air outlet of guiding device is 45～80 degree with the angle of vertical direction.
Further, the blow air of the air outlet blowout of guiding device is 10～100mm to the width of the surrounding edge of glass plate.
Further, the air inlet at described aerator is provided with air themperature detection device.
Further, the frequency of aerator is 30～50Hz, and the time of the surrounding edge blowing of glass plate is by described blowing device
1～50 second.
Further, the aperture 45 of described air-quantity adjusting valve～90 degree.
Further, being provided with glass mold releasing mechanism in described transition region, the side of transition region arranges glass delivery line,
Glass plate after cooling can be transferred to glass delivery line by glass mold releasing mechanism from mould.
Further, glass mold releasing mechanism includes lifting top rod, elevating mechanism, servomotor, transmission shuttle and shuttle
Push rod, lifting top rod, elevating mechanism and servomotor are fixedly installed in transition region and are positioned at the underface of mould, transmission
Shuttle and shuttle push rod back and forth movement are between transition region and glass delivery line.
Further, the tensile stress of the glass plate behind annealed district is at below 5MPa, and compressive stress is at more than 10MPa.
Meanwhile, the present invention also provides for a kind of method applying above-mentioned continuous bending furnace to carry out continuous glass bent through baking plate, it is characterised in that:
The method includes,
Step 1: glass plate is placed on mould in loading place；
Step 2: glass plate is transmitted to preheating zone together with mould by transmitting device, equal by circulative convection and radiation heating
This glass plate of even preheating；
Step 3: the glass plate of preheating is transferred to Hong Wan district, add hot glass sheet further, makes glass plate under self-gravity action
Brake forming；
Step 4: the glass plate of brake forming is transferred to annealed zone, by directly drying to glass to the surrounding edge of glass plate
Plate is annealed, and described annealed zone is positioned at the upper strata of the furnace binding in continuous Hong Wan district；
Step 5: the glass plate after annealing is transferred to decline district, and is further transmitted to the cooling zone of lower floor；
Step 6: the glass plate after cooling zone cools down enters transition region together in company with mould, and then mould returns again
To loading place.
Further, in step 3, described baking is curved divides into the curved district of preliminary drying and final Hong Wan district, and glass plate becomes in the curved district of preliminary drying
The curvature of type is more than the glass plate curvature in final Hong Wan district molding.
Further, the heat wave a length of 2000～10000nm in step 2 and step 3, glass plate heated.
Further, in step 4 before directly drying to the surrounding edge of glass plate, the air blowed is carried out temperature detection.
Further, the time in step 4 dried the surrounding edge of glass plate is 1～50 second.
Further, making glass plate separate with mould in step 6, glass plate is transmitted to lower section by glass delivery line.
Further, the angle of the blowing direction directly dried to the surrounding edge of glass plate in step 4 and vertical direction be 45～
80 degree.
Further, the width of surrounding edge directly dried to glass plate to the surrounding edge of glass plate in step 4 be 10～
100mm。
Further, annealed in step 4 after the tensile stress of glass plate at below 5MPa, compressive stress is at more than 10MPa.
Due to the fact that and take technique scheme, it has the advantages that
A kind of continuous bending furnace of present invention employing and the method for continuous glass bent through baking plate thereof, tie by annealed zone is arranged on body of heater
Dry annealing to the surrounding edge of glass plate in the upper strata of structure combining, it is possible to increase annealing effect, is conducive to increasing glass plate edge
Compressive stress and reduce glass plate edge tensile stress, make the tensile stress of the glass plate after annealing control at below 5MPa, compressive stress
Can reach at more than 10MPa.
Accompanying drawing illustrates:
Fig. 1 is the integrated model schematic diagram of continuous bending furnace of the present invention；
Fig. 2 is the cross-sectional schematic of the annealed zone being provided with blowing device of the present invention；
Fig. 3 is the schematic top plan view of blowing device of the present invention；
Fig. 4 is the layout schematic diagram of glass delivery line of the present invention；
Fig. 5 is the structural representation of glass mold releasing mechanism of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, present disclosure is described further.
As it is shown in figure 1, a kind of continuous bending furnace of the present invention, for glass plate 100 is dried curved brake forming continuously, its
Including furnace binding 1, transmitting device 2 and mould 3, at the front end exit of furnace binding 1, it is provided with loading place 4, body of heater
Structure 1 is divided into upper and lower two-layer, mould 3 to be fixedly installed on transmitting device 2, and transmitting device 2 can drive shaping mould
Tool 3 loopy moving in furnace binding 1, the upper strata of furnace binding 1 sets gradually into preheating zone 11, Hong Wan district 12, annealed zone
13 and decline district 14, the lower floor of furnace binding 1 sets gradually into cooling zone 15, transition region 16 and transmission and comes out of the stove district 17, described
Cooling zone 15 is positioned at the underface declining district 14.So by annealed zone 13 being set directly at the upper strata of furnace binding 1, can
Directly glass plate 100 to be annealed, annealing effect so can be improved.
Wherein, described preheating zone 11 can preheat this glass plate 100, described Hong Wan district by circulative convection and radiation homogeneous heating
12 pass through to add hot glass sheet 100 further makes glass plate 100 brake forming under self-gravity action, described annealed zone 13 be used for
Baking glass plate 100 after curved is annealed to improve its intensity, and described decline district 14 is used for transmitting device 2 from furnace binding
The upper strata of 1 drops to the cooling zone 15 of lower floor, the described cooling zone 15 glass plate 100 after cooling baking is curved further；Generally,
In loading place 4, glass plate 100 is loaded on mould 3, during transmitting device 2 drives mould 3 as illustrated afterwards
Mold transport direction 101 transmit successively to preheating zone 11, Hong Wan district 12, annealed zone 13, decline district 14, cooling zone 15,
Transition region 16 and transmission are come out of the stove district 17, are finally returned to loading place 4, reload and wait to dry curved glass plate 100, form circulation
Production process.
As in figure 2 it is shown, in order to increase the compressive stress of glass plate edge and reduce the tensile stress of glass plate edge, described annealed zone 13
Being provided with blowing device, described blowing device includes aerator 5, air-quantity adjusting valve 6 and the guiding device 7 being sequentially communicated, institute
The furnace roof stating annealed zone 13 offers opening 131, and guiding device 7 is arranged at the furnace roof opening 131 of described annealed zone 13,
The air outlet of described guiding device 7 is positioned at the surrounding edge of annealed zone 13 and corresponding glass plate 100.Through the curved district of overbaking 12
Transmitting device 2 and dry curved after glass plate 100 enter annealed zone 13 after, aerator 5 is started working outside air through wind
Adjustable valve door 6 and guiding device 7 as illustrated in blowing direction 102 blow the surrounding edge to glass plate 100, with right
Dry curved after glass plate 100 anneal；So by annealed zone 13 being arranged on the upper strata combination of furnace binding 1 to glass plate
The surrounding edge blowing annealing of 100, can be cooled to glass plate 100 upper limit of annealing in time, efficiently control glass plate
Annealing rate, finally can control at below 5MPa by the tensile stress of the glass plate 100 behind annealed district, and compressive stress can reach
At more than 10MPa.
In fig. 2, described guiding device 7 can be made up of rustless steel, can control the angle of blowing direction 102, and water conservancy diversion fills
Put the 7 surrounding edge that can control to blow to equably through the wind that air-quantity adjusting valve 6 is blown over glass plate 100, thus formed
Thermograde；Preferably, the blowing direction 102 of the air outlet of described guiding device 7 tilts to the outside of glass plate 100, makes
The surrounding edge of glass plate 100 is dried by blowing device from inside to outside, is so conducive to the air circulation flow entered and can subtract
The pressure on glass plate 100 surface to reduce the air impact on the profile of the glass plate 100 after annealing, is more preferably led by little air
The blowing direction 102 of the air outlet of stream device 7 is 45～80 degree with the angle of vertical direction, is 60～80 degree further.
As it is shown on figure 3, the shape of the air outlet of guiding device 7 is substantially uniform with the shape of glass plate 100, being so conducive to will
Outside air is blown into the blow air of the air outlet blowout of the surrounding edge of glass plate 100, preferably guiding device 7 extremely accurately
The width 71 of the surrounding edge of glass plate 100 is 10～100mm, more preferably 20～80mm, and concrete numerical value can be according to glass
The size shape difference of glass plate 100 is adjusted.
In FIG, preferably described Hong Wan district 12 is divided into the curved district of preliminary drying 121 and final Hong Wan district 122, the curved district of described preliminary drying
The heating-up temperature of 121 less than the heating-up temperature in described final Hong Wan district 122, so makes curved in the curved district of preliminary drying 121 of glass plate
Bent radian, more than its final crooked radian in final Hong Wan district 122, makes finally to dry curved glass plate by progressively brake forming
Profile seriality is good, and optical quality is good.
Reach in order to realize automatically controlling the parameters such as the frequency of aerator 5, the aperture of air-quantity adjusting valve 6, annealing time
Automatically control the purpose of the annealing rate of glass plate 100, the preferably air inlet at described aerator 5 and be provided with air themperature detection
Device (not shown), this air themperature detection device (not shown) is for detecting the temperature of the air entering aerator 5, according to not
Same air themperature correspondingly adjusts relevant parameter.Wherein, aerator 5 uses VFC, controls the pressure of blowing, preferably
The frequency of aerator 5 is 30～50Hz；Likewise it is preferred that the time that the surrounding edge of glass plate 100 is dried by described blowing device
It is 1～50 second, can be more preferably 1～10 second；Further, described air-quantity adjusting valve 6 can use VFC, excellent
Select the aperture 45 of described air-quantity adjusting valve 6～90 degree.
Traditional annealed zone is arranged on the lower floor of the furnace binding of continuous bending furnace, and glass plate 100 will be through transition after completing annealing
District 16 and transmission district 17 of coming out of the stove follows transmitting device 2 and returns to loading place 4 together with mould 3, dries curved in this course
Glass plate 100 after molding is supported on described mould 3 all the time, owing to normally used mould 3 is metal system
Becoming, the most such as ferrum etc., ferrum is the good conductor of heat, and glass plate is the non-conductor of heat, must be right in being come out of the stove in district 17 in transmission
Mould 3 carries out heating and thermal insulation process, makes mould 3 be unlikely to too fast and with glass plate 100 excessive temperature differentials of lowering the temperature,
Thus cause glass plate 100 to rupture, thus increase energy consumption, be unfavorable for energy-conserving and environment-protective；Come out of the stove in district 17 to reduce transmission
Heating and the energy consumption of insulation, as shown in Figure 4, the present invention is provided with glass mold releasing mechanism 8 in described transition region 16,
The side of transition region 16 arranges glass delivery line 9, and glass mold releasing mechanism 8 can be by the glass plate 100 after cooling from molding
Mould 3 is transferred on glass delivery line 9, thus can be separated with mould 3 by glass plate 100, mould afterwards
3 with transmitting device 2 at faster speed together with return to loading place 4, and glass plate 100 individually transmits bottom sheet from glass delivery line 9,
Such that it is able to make mould 3 be maintained at higher temperature return to loading place 4, and can shorten after glass plate 100 departs from and arrive
Again the time gone up slice, advantageously reduce the quantity of mould 3 and transmitting device 2, decrease the loss of heat, reach
Energy-saving and cost-reducing, the purpose of reduction cost.
As it is shown in figure 5, glass mold releasing mechanism 8 of the present invention includes lifting top rod 81, elevating mechanism 82, servo electricity
Machine 83, transmission shuttle 84 and shuttle push rod 85；Lifting top rod 81, elevating mechanism 82 and servomotor 83 were fixedly installed on
In crossing district 16 and be positioned at the underface of mould 3, servomotor 83 drives elevating mechanism 82 to rise lifting top rod 81 and makes into
Glass plate 100 on mould 3 is separated by jack-up from mould 3；Transmission shuttle 84 and shuttle push rod 85 back and forth movement
Between transition region 16 and glass delivery line 9, transmission shuttle 84 and shuttle push rod 85 enter in transition region 16 and advance to jack-up
The underface of the glass plate 100 separated, then servomotor 83 drives elevating mechanism 82 to fall lifting top rod 81 and makes glass plate
100 are held up by shuttle push rod 85, then glass plate 100 transmission are placed on glass delivery line 9, and glass plate 100 is at glass
Transmitting bottom sheet on transmission line 9, transmission shuttle 84 and shuttle push rod 85 return and transmit next glass sheets 100 in transition region 16.
Meanwhile, the present invention also provides for the method that this continuous bending furnace of a kind of application carries out continuous glass bent through baking plate, the method include with
Lower step,
Step 1: glass plate 100 is placed on mould 3 in loading place 4；
Step 2: glass plate 100 is transmitted to preheating zone 11 together with mould 3 by transmitting device 2, by circulative convection and
Radiation homogeneous heating preheats this glass plate 100；
Step 3: the glass plate 100 of preheating is transferred to Hong Wan district 12, add hot glass sheet 100 further, makes glass plate 100
Brake forming under self-gravity action；
Preferably, in step 3, described Hong Wan district 12 is divided into the curved district of preliminary drying 121 and final Hong Wan district 122, glass plate 100
Curvature in preliminary drying curved district 121 molding is more than the glass plate 100 curvature in final Hong Wan district 122 molding；So by the most curved
It is good that bent molding makes finally to dry curved glass plate profile seriality, and optical quality is good.
Preferably, the heat wave a length of 2000～10000nm in step 2 and step 3, glass plate 100 heated.
Step 4: the glass plate 100 of brake forming is transferred to annealed zone 13, by direct to the surrounding edge of glass plate 100
Glass plate 100 is annealed by blowing, and described annealed zone is positioned at the upper strata of the furnace binding in continuous Hong Wan district；
Preferably, in step 4 before directly drying to the surrounding edge of glass plate 100, the air blowed is carried out temperature inspection
Survey；The temperature of the air generally blowed, between 10～50 DEG C, correspondingly adjusts relevant parameter according to different air themperatures, this
Sample is capable of automatically controlling the parameters such as the frequency of aerator 5, the aperture of air-quantity adjusting valve 6, annealing time and reaches automatically to control
The purpose of the annealing rate of glass plate 100 processed.
Likewise it is preferred that the time that the surrounding edge of glass plate 100 is dried by blowing device is 1～50 second, can be more preferably
1～10 second；And air-quantity adjusting valve 6 can use the aperture 45 of VFC, preferably air-quantity adjusting valve 6～90 degree.
Preferably, the blowing direction directly dried to the surrounding edge of glass plate 100 in step 4 with the angle of vertical direction is
45～80 degree, be 60～80 degree further；Further, step 4 is directly dried to glass to the surrounding edge of glass plate 100
The width of the surrounding edge of plate is 10～100mm, more preferably 20～80mm, and concrete numerical value can be according to glass plate 100
Size shape difference is adjusted；Finally, annealed in step 4 after the tensile stress of glass plate 100 at below 5MPa, pressure
Stress is at more than 10MPa.
Step 5: the glass plate 100 after annealing is transferred to decline district 14, and is further transmitted to the cooling zone 15 of lower floor；
Step 6: the glass plate 100 after cooling zone 15 cools down enters transition region 16, then molding together in company with mould 3
Mould 3 comes back to loading place 4；
Preferably, making glass plate 100 separate with mould 3 in step 6, glass plate 100 is passed by glass delivery line 9
Transport to lower section；Thus glass plate 100 can be separated with mould 3, afterwards mould 3 and transmitting device 2 with
Speed returns to loading place 4 together faster, and glass plate 100 individually transmits bottom sheet from glass delivery line 9, such that it is able to make into
Mould 3 is maintained at higher temperature and returns to loading place 4, and can shorten after glass plate 100 departs to again go up slice time
Between, advantageously reduce the quantity of mould 3 and transmitting device 2, decrease the loss of heat, reach energy-saving and cost-reducing, fall
The purpose of low cost.
The method of a kind of continuous bending furnace of the present invention and continuous glass bent through baking plate thereof is had been described in detail by above content,
But the present invention is not limited to by specific embodiments described above content, so what all foundation technical key points were carried out
Any improvement, equivalent modifications and replacement etc., belong to the scope of protection of the invention.
Claims (9)
1. a continuous bending furnace, including furnace binding, transmitting device and mould, is arranged at the front end exit of furnace binding
Having loading place, furnace binding to be divided into upper and lower two-layer, mould is fixedly installed on transmitting device, and transmitting device can drive
Mould is loopy moving in furnace binding, it is characterised in that: the upper strata of furnace binding set gradually into preheating zone, Hong Wan district,
Annealed zone and decline district, the lower floor of furnace binding sets gradually into cooling zone, transition region and transmission and comes out of the stove district, described cooling position
In the underface in decline district, described annealed zone is provided with blowing device, and described blowing device includes aerator, the wind being sequentially communicated
Adjustable valve door and guiding device, the furnace roof of described annealed zone offers opening, and guiding device is arranged on the furnace roof of described annealed zone
Opening part, the air outlet of described guiding device is positioned at the surrounding edge of annealed zone and corresponding glass plate, the air outlet of guiding device
The angle of blowing direction and vertical direction be 45～80 degree, outside air can blow through air-quantity adjusting valve and guiding device
Surrounding edge to glass plate.
Continuous bending furnace the most according to claim 1, it is characterised in that: described baking is curved divides into the curved district of preliminary drying and final baking
Curved district, the heating-up temperature in the curved district of described preliminary drying is less than the heating-up temperature in described final Hong Wan district.
Continuous bending furnace the most according to claim 1, it is characterised in that: the blow air of the air outlet blowout of guiding device
The width of surrounding edge to glass plate is 10～100mm.
Continuous bending furnace the most according to claim 1, it is characterised in that: the air inlet at described aerator is provided with air
Temperature-detecting device.
Continuous bending furnace the most according to claim 1, it is characterised in that: the frequency of aerator is 30～50Hz, described
The time that the surrounding edge of glass plate is dried by blowing device is 1～50 second.
Continuous bending furnace the most according to claim 1, it is characterised in that: the aperture 45～90 of described air-quantity adjusting valve
Degree.
Continuous bending furnace the most according to claim 1, it is characterised in that: in described transition region, it is provided with glass mold takes off
Disembarking structure, the side of transition region arranges glass delivery line, and glass mold releasing mechanism can be by the glass plate after cooling from shaping mould
Tool is transferred on glass delivery line.
Continuous bending furnace the most according to claim 7, it is characterised in that: glass mold releasing mechanism include lifting top rod,
Elevating mechanism, servomotor, transmission shuttle and shuttle push rod, lifting top rod, elevating mechanism and servomotor were fixedly installed on
In crossing district and be positioned at the underface of mould, transmission shuttle and shuttle push rod back and forth movement are between transition region and glass delivery line.
Continuous bending furnace the most according to claim 1, it is characterised in that: the tensile stress of the glass plate behind annealed district exists
Below 5MPa, compressive stress is at more than 10MPa.
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| CN201410531177.4A CN104310764B (en) | 2014-10-10 | 2014-10-10 | Continuous bending furnace |
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| CN201410531177.4A CN104310764B (en) | 2014-10-10 | 2014-10-10 | Continuous bending furnace |
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| CN104310764B true CN104310764B (en) | 2017-01-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102016203733A1 (en) * | 2015-03-09 | 2016-10-06 | Hanon Systems | Air conditioning system for motor vehicles |
| CN104860517A (en) * | 2015-04-04 | 2015-08-26 | 江苏华尚玻璃技术有限公司 | Annealing cooling system for heat bent glass |
| WO2019084910A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳市力沣实业有限公司 | Hot bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6240746B1 (en) * | 1997-04-04 | 2001-06-05 | Asahi Glass Company Ltd. | Glass plate bending method and apparatus |
| CN201753311U (en) * | 2010-07-13 | 2011-03-02 | 斯坦因（上海）工业炉有限公司 | Float glass annealing kiln and cooling device thereof |
| CN102276135B (en) * | 2011-07-19 | 2013-01-09 | 福耀玻璃工业集团股份有限公司 | Furnace for continuous bending of front windshield of automobile and production technology for continuous bending |
| CN203048779U (en) * | 2012-12-17 | 2013-07-10 | 信义汽车玻璃(深圳)有限公司 | Continuous hot bending furnace for automotive glass |
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Effective date of registration: 20160830 Address after: Acer Road, Fuqing city Fuzhou City, Fujian Province town 350301 Fuyao Industrial Zone II Applicant after: Fuyao Group (Fujian) Machinery Manufacturing Co., Ltd. Address before: Acer Road, Fuqing city Fuzhou City, Fujian Province town 350301 Fuyao Industrial Zone II Applicant before: Fuyao Glass Industry Group Co., Ltd. |
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