CN109896708A - A kind of kitchen garbage, waste-water processing system - Google Patents
A kind of kitchen garbage, waste-water processing system Download PDFInfo
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- CN109896708A CN109896708A CN201910210633.8A CN201910210633A CN109896708A CN 109896708 A CN109896708 A CN 109896708A CN 201910210633 A CN201910210633 A CN 201910210633A CN 109896708 A CN109896708 A CN 109896708A
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Abstract
The present invention relates to environmental technology fields, and a kind of kitchen garbage, waste-water processing system is disclosed, the kitchen garbage, waste-water processing system includes Anaerobic Treatment subsystem, the first anaerobic-aerobic (AO) processing subsystem, membrane biological reaction (MBR) processing subsystem, Fenton processing subsystem and the second anaerobic-aerobic (AO) processing subsystem.The kitchen garbage, waste-water processing system, by utilizing Anaerobic Treatment subsystem, first anaerobic-aerobic (AO) processing subsystem, membrane biological reaction (MBR) processing subsystem, Fenton processing subsystem and the second anaerobic-aerobic (AO) processing subsystem carry out integrated treatment to kitchen garbage, waste-water, so that kitchen garbage, waste-water obtains effective purified treatment, reach environmental protection standard, obtained all kinds of products in kitchen garbage, waste-water processing system treatment process are recycled simultaneously, increase the utilization rate of resource, to improve the practicability of kitchen garbage, waste-water processing system.
Description
Technical field
The present invention relates to environmental technology field, specially a kind of kitchen garbage, waste-water processing system.
Background technique
The waste water that the dewatered waste water of kitchen garbage slurry anaerobic fermentation and kitchen garbage processing other process generate, by
In its complicated component, belong to the big high concentrated organic wastewater of processing difficulty.Pollutants in Wastewater concentration is high, cellulose in waste water,
The refractory organics such as protein, lipid matter institute accounting is big, and the carbon-nitrogen ratio of waste water is low to be unfavorable for effectively removing for total nitrogen.
Have in existing processing unit a kind of by " pretreatment unit+anaerobic processing device+aerobic treatment device+flocculation is heavy
The processing unit that shallow lake pond " is formed by combining, deficiency are: first is that Anaerobic Treatment unit operational management requires height, especially anaerobism
Processing unit consumes the carbon source in waste water in the process of running, and carbon-nitrogen ratio in waste water is made further to decline (COD, BOD5 reduction, ammonia
Nitrogen increases), the reduction of carbon-nitrogen ratio is less useful for the biological denitrificaion of waste water；Second, the ammonia nitrogen in waste water is mainly sent out in aerobic stage
It gives birth to nitration reaction and is converted into nitrate nitrogen and nitrite nitrogen, since carbon-nitrogen ratio (BOD5:TKN) is being in lower shape originally
It is reduced again under state, carbon source is caused to lack, because being unable to complete denitrification denitrogenation, then total nitrogen fails effectively to drop without sufficient carbon source
Solution and removal, nitrogen removal rate are low, it is difficult to reach in " sewage is discharged into town sewer water standard " (GB/T 31962-2015)
The requirement of " B grades " standard.
Summary of the invention
The present invention provides a kind of kitchen garbage, waste-water processing systems, have the good advantage of wastewater purification effect, solution
The problem of background technique of having determined proposes.
The invention provides the following technical scheme: a kind of kitchen garbage, waste-water processing system, it is characterised in that: the kitchen rubbish
Rubbish waste water treatment system includes Anaerobic Treatment subsystem, the first anaerobic-aerobic (AO) processing subsystem, at membrane biological reaction (MBR)
Manage subsystem, Fenton processing subsystem and the second anaerobic-aerobic (AO) processing subsystem.
Selected, the system for anaerobic treatment is equipped with water inlet and biogas tap, the system for anaerobic treatment and benefit
It is connected with the coagulating sedimentation reactor on the first anaerobic-aerobic (AO) processing subsystem.
Selected, it is described to be equipped with water purification agent using coagulating sedimentation reactor on the first anaerobic-aerobic (AO) processing subsystem
It is described to be arranged using the first anaerobic-aerobic (AO) processing subsystem equipped with solid impurity with flocculation aid dispensing port and PH adjustment equipment
Put mouth.
It is selected, the roots blower for supplying to aerobic tank is connected on the aerobic tank, on the roots blower
It is provided with frequency converter, further includes having control host, is provided with PLC controller on the control host, the PLC controller and frequency converter
Be connected, aerobic tank end be equipped with measurement dissolved oxygen dissolved oxygen instrument, dissolved oxygen content data be input to control host and by
PL controller C controls the rate-adaptive pacemaker of frequency converter after PID arithmetic.
Selected, the kitchen garbage, waste-water processing system processing step:
Classification and Anaerobic Treatment are carried out to kitchen garbage using Anaerobic Treatment subsystem first, utilize Anaerobic Treatment subsystem
The kitchen garbage of the sundries such as separating plastic substance, vial, chopsticks, ceramics is subjected to Anaerobic Treatment, is added in kitchen garbage
Water obtains mixture, adjusts mixture carbon-nitrogen ratio, and blender is slowly stirred, and mesophilic digestion generates biogas, obtains kitchen after processing
Garbage, waste-water；
Then kitchen garbage handle for the first time (AO) using the first anaerobic-aerobic (AO) processing subsystem, utilize the
One anaerobic-aerobic (AO) processing subsystem carries out first time AO processing to kitchen garbage: kitchen garbage, waste-water is poured into coagulating sedimentation
Reactor adjusts pH range, then successively add deployed water purification agent and flocculation aid, the water purification in coagulating sedimentation reactor
Agent is polyacrylamide, which is aluminium polychloride, so that most of suspended solid impurities precipitating in kitchen garbage, waste-water,
Supernatant enters anaerobic pond, by carrying out anaerobic reaction processing in the anaerobic reactor in anaerobic pond；After treatment is by waste water
Aerobic tank is poured into, aerobic aeration reaction is carried out；
Secondly processed to the first anaerobic-aerobic (AO) processing subsystem using membrane biological reaction (MBR) processing subsystem
Waste water is further processed；
Using membrane biological reaction (MBR) processing subsystem to the processed waste water of the first anaerobic-aerobic (AO) processing subsystem
Recycling Fenton processing subsystem to MBR, treated that waste water is handled, and removal is difficult to the organic pollutant degraded；
Final process finally is done to the waste water after Fenton technology using the second anaerobic-aerobic (AO) processing subsystem, by kitchen
Garbage, waste-water pours into coagulating sedimentation reactor, in coagulating sedimentation reactor, adjusts pH range, then successively adds deployed net
Aqua and flocculation aid, the water purification agent are polyacrylamide, which is aluminium polychloride, so that big portion in kitchen garbage, waste-water
Divide suspended solid impurities precipitating, supernatant enters anaerobic pond, by carrying out at anaerobic reaction in the anaerobic reactor in anaerobic pond
Reason；Waste water is poured into aerobic tank by after treatment, is carried out aerobic aeration reaction, is finally obtained the waste water being disposed.
The present invention have it is following the utility model has the advantages that
The kitchen garbage, waste-water processing system, by utilizing Anaerobic Treatment subsystem, the first anaerobic-aerobic (AO) processing
System, membrane biological reaction (MBR) processing subsystem, Fenton processing subsystem and the second anaerobic-aerobic (AO) processing subsystem pair
Kitchen garbage, waste-water carries out integrated treatment and reaches environmental protection standard, simultaneously so that kitchen garbage, waste-water obtains effective purified treatment
Obtained all kinds of products in kitchen garbage, waste-water processing system treatment process are recycled, the utilization of resource is increased
Rate, to improve the practicability of kitchen garbage, waste-water processing system.
Detailed description of the invention
Fig. 1 is present system schematic diagram；
Fig. 2 is aerobic tank system schematic of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of kitchen garbage, waste-water processing system, kitchen garbage, waste-water processing system include Anaerobic Treatment referring to FIG. 1-2,
Subsystem, the first anaerobic-aerobic (AO) processing subsystem, membrane biological reaction (MBR) processing subsystem, Fenton processing subsystem with
And second anaerobic-aerobic (AO) processing subsystem.
Wherein, system for anaerobic treatment equipped with water inlet and biogas tap, system for anaerobic treatment and utilizes the first anaerobism
Coagulating sedimentation reactor connection on aerobic (AO) processing subsystem.
Wherein, water purification agent is equipped with using coagulating sedimentation reactor on the first anaerobic-aerobic (AO) processing subsystem and help solidifying
Agent dispensing port and PH adjustment equipment are equipped with solid impurity discharge outlet using the first anaerobic-aerobic (AO) processing subsystem.
Wherein, the roots blower for supplying to aerobic tank is connected on aerobic tank, roots blower on be provided with frequency conversion
Device further includes having control host, is provided with PLC controller on the control host, which is connected with frequency converter, good
Oxygen pond end is equipped with the dissolved oxygen instrument of measurement dissolved oxygen, and dissolved oxygen content data are input to control host and by PL controller C
The rate-adaptive pacemaker of frequency converter, control parameter are as follows: dissolved oxygen is risen in 1.0mg/L with low-converter are controlled after PID arithmetic
50HZ, when dissolved oxygen is in 1.0mg/L-1.2mg/L, Frequency Converter Control is in 45-50HZ, when dissolved oxygen is in 1.2mg/L-1.4mg/L,
Frequency Converter Control is in 40-45HZ, and when dissolved oxygen is in 1.4mg/L-1.6mg/L, Frequency Converter Control is in 35-40HZ, when dissolved oxygen exists
1.6mg/L-1.8mg/L, Frequency Converter Control is in 30-35HZ, and when dissolved oxygen is in 1.8mg/L-2.0mg/L, Frequency Converter Control is in 25-
30HZ。
Wherein, kitchen garbage, waste-water processing system processing step:
Classification and Anaerobic Treatment are carried out to kitchen garbage using Anaerobic Treatment subsystem first, utilize Anaerobic Treatment subsystem
The kitchen garbage of the sundries such as separating plastic substance, vial, chopsticks, ceramics is subjected to Anaerobic Treatment, is added in kitchen garbage
Water obtains mixture, adjusts mixture carbon-nitrogen ratio, keeps anaerobic fermentation temperature at 35 DEG C, blender is slowly stirred, mesophilic digestion
Biogas is generated, obtains kitchen garbage, waste-water after processing；
Then kitchen garbage handle for the first time (AO) using the first anaerobic-aerobic (AO) processing subsystem, utilize the
One anaerobic-aerobic (AO) processing subsystem carries out first time AO processing to kitchen garbage: kitchen garbage, waste-water is poured into coagulating sedimentation
Reactor adjusts pH range and is adjusted to 7.0-8.5, preferably pH range 7.5 or 8.0, then successively throw in coagulating sedimentation reactor
Add deployed water purification agent and flocculation aid, which is polyacrylamide, and flow of inlet water is in 1-5t/h, operation water purification in 24 hours
Agent dosage 0.21-1kg, wherein flow of inlet water is in 1t/h, 24 hours operation water purification agent dosage 0.21-1kg, when flow of inlet water exists
5t/h, 24 hours operation water purification agent dosage 1kg；The flocculation aid is aluminium polychloride, and flow of inlet water was run in 1-5t/h, 24 hours
When dosage probably in 10-50kg, wherein when flow of inlet water is in 1t/h, operation in 24 hours, aluminium polychloride dosage probably exists
10kg, when flow of inlet water is in 5t/h, operation in 24 hours, aluminium polychloride dosage is probably in 50kg；So that in kitchen garbage, waste-water
Most of suspended solid impurities precipitating, supernatant enter anaerobic pond, anti-by carrying out anaerobism in the anaerobic reactor in anaerobic pond
It should handle；Waste water is poured into aerobic tank by after treatment, carries out aerobic aeration reaction；
Secondly processed to the first anaerobic-aerobic (AO) processing subsystem using membrane biological reaction (MBR) processing subsystem
Waste water is further processed, and temperature is 25 DEG C in membrane bioreactor, pH value 7.0, initial membrane flux 300L/m2/h,
Membrane bioreactor hydraulic detention time is 12h, and biogas slurry COD is 10000mg/L, and VFA concentration is 3320mg/L, final anolyte
Water outlet COD is 3500mg/L, membrane flux 280L/m2/h；
Using membrane biological reaction (MBR) processing subsystem to the processed waste water of the first anaerobic-aerobic (AO) processing subsystem
Recycling Fenton processing subsystem to MBR, treated that waste water is handled, and removal is difficult to the organic pollutant degraded, at Fenton
Reason is using Fenton technology well known in the art；
Final process finally is done to the waste water after Fenton technology using the second anaerobic-aerobic (AO) processing subsystem, by kitchen
Garbage, waste-water pours into coagulating sedimentation reactor, in coagulating sedimentation reactor, adjusts pH range and is adjusted to 7.5-8.0, then successively
Deployed water purification agent and flocculation aid are added, which is polyacrylamide, and for flow of inlet water in 2-6t/h, operation in 24 hours is net
Aqua dosage 0.25-1kg, wherein for flow of inlet water in 1t/h, 24 hours operation water purification agent dosage 0.25-1kg work as flow of inlet water
In 5t/h, 24 hours operation water purification agent dosage 1.5kg；The flocculation aid is aluminium polychloride, and flow of inlet water is in 1-3t/h, 24 hours
Dosage is probably in 10-50kg when operation, wherein when flow of inlet water is in 2t/h, operation in 24 hours, aluminium polychloride dosage is general
In 25kg, when flow of inlet water is in 3t/h, operation in 24 hours, aluminium polychloride dosage is probably in 50kg；So that kitchen garbage, waste-water
Middle major part suspended solid impurities precipitating, supernatant enters anaerobic pond, by carrying out anaerobism in the anaerobic reactor in anaerobic pond
Reaction treatment；The waste water handled well is poured into aerobic tank by after treatment, is carried out aerobic aeration reaction, is finally obtained and be disposed
Waste water.
Embodiment
A kind of kitchen garbage, waste-water processing system, kitchen garbage, waste-water processing system include Anaerobic Treatment subsystem, first
Anaerobic-aerobic (AO) processing subsystem, membrane biological reaction (MBR) processing subsystem, Fenton processing subsystem and the second anaerobism are good
Oxygen (AO) processing subsystem.
Classification and Anaerobic Treatment are carried out to kitchen garbage using Anaerobic Treatment subsystem first, utilize Anaerobic Treatment subsystem
The kitchen garbage of the sundries such as separating plastic substance, vial, chopsticks, ceramics is subjected to Anaerobic Treatment, is added in kitchen garbage
Water obtains mixture, adjusts mixture carbon-nitrogen ratio, keeps anaerobic fermentation temperature at 30 DEG C, blender is slowly stirred, mesophilic digestion
Biogas is generated, obtains kitchen garbage, waste-water after processing；
Then kitchen garbage handle for the first time (AO) using the first anaerobic-aerobic (AO) processing subsystem, utilize the
One anaerobic-aerobic (AO) processing subsystem carries out first time AO processing to kitchen garbage: kitchen garbage, waste-water is poured into coagulating sedimentation
Reactor adjusts pH range and is adjusted to 7.0-8.5, preferably pH range 7.8, then successively add tune in coagulating sedimentation reactor
The water purification agent and flocculation aid prepared, the water purification agent are polyacrylamide, and flow of inlet water is in 1-3t/h, and operation water purification agent is used within 24 hours
0.21-0.65kg is measured, wherein flow of inlet water is in 1t/h, 24 hours operation water purification agent dosage 0.21kg, when flow of inlet water is in 3t/
H, 24 hours operation water purification agent dosage 0.65kg；The flocculation aid is aluminium polychloride, and flow of inlet water was run in 1-3t/h, 24 hours
When dosage probably in 10-30kg, wherein when flow of inlet water is in 1t/h, operation in 24 hours, aluminium polychloride dosage probably exists
10kg, when flow of inlet water is in 3t/h, operation in 24 hours, aluminium polychloride dosage is probably in 30kg；So that in kitchen garbage, waste-water
Most of suspended solid impurities precipitating, supernatant enter anaerobic pond, anti-by carrying out anaerobism in the anaerobic reactor in anaerobic pond
It should handle；Waste water is poured into aerobic tank by after treatment, carries out aerobic aeration reaction；
Secondly processed to the first anaerobic-aerobic (AO) processing subsystem using membrane biological reaction (MBR) processing subsystem
Waste water is further processed, and temperature is 23 DEG C in membrane bioreactor, pH value 7.0, initial membrane flux 300L/m2/h,
Membrane bioreactor hydraulic detention time is 12h, and biogas slurry COD is 11000mg/L, and VFA concentration is 3330mg/L, final anolyte
Water outlet COD is 3600mg/L, membrane flux 285L/m2/h；
Using membrane biological reaction (MBR) processing subsystem to the processed waste water of the first anaerobic-aerobic (AO) processing subsystem
Recycling Fenton processing subsystem to MBR, treated that waste water is handled, and removal is difficult to the organic pollutant degraded, at Fenton
Reason is using Fenton technology well known in the art；
Final process finally is done to the waste water after Fenton technology using the second anaerobic-aerobic (AO) processing subsystem, by kitchen
Garbage, waste-water pours into coagulating sedimentation reactor, in coagulating sedimentation reactor, adjusts pH range and is adjusted to 7.5-7.8, then successively
Deployed water purification agent and flocculation aid are added, which is polyacrylamide, and for flow of inlet water in 2-7t/h, operation in 24 hours is net
Aqua dosage 0.25-1.2kg, wherein for flow of inlet water in 1t/h, 24 hours operation water purification agent dosage 0.25kg work as flow of inlet water
In 5t/h, 24 hours operation water purification agent dosage 1.2kg；The flocculation aid is aluminium polychloride, and flow of inlet water is in 1-3t/h, 24 hours
Dosage is probably in 10-55kg when operation, wherein when flow of inlet water is in 2t/h, operation in 24 hours, aluminium polychloride dosage is general
In 28kg, when flow of inlet water is in 3t/h, operation in 24 hours, aluminium polychloride dosage is probably in 51kg；So that kitchen garbage, waste-water
Middle major part suspended solid impurities precipitating, supernatant enters anaerobic pond, by carrying out anaerobism in the anaerobic reactor in anaerobic pond
Reaction treatment；The waste water handled well is poured into aerobic tank by after treatment, is carried out aerobic aeration reaction, is finally obtained and be disposed
Waste water.
The kitchen garbage, waste-water processing system provided by the invention treated waste water reached " integrated wastewater discharge mark
Quasi- (GB8978-1996) " in " grade III Standard " and more stringent " sewage is discharged into town sewer water standard " GB/T
" B grades " standard in 31962-2015).
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of kitchen garbage, waste-water processing system, it is characterised in that: the kitchen garbage, waste-water processing system includes at anaerobism
Manage subsystem, the first anaerobic-aerobic (AO) processing subsystem, membrane biological reaction (MBR) processing subsystem, Fenton processing subsystem
And second anaerobic-aerobic (AO) processing subsystem.
2. a kind of kitchen garbage, waste-water processing system according to claim 1, it is characterised in that: the system for anaerobic treatment
Equipped with water inlet and biogas tap, the system for anaerobic treatment and using on the first anaerobic-aerobic (AO) processing subsystem
The connection of coagulating sedimentation reactor.
3. a kind of kitchen garbage, waste-water processing system according to claim 1, it is characterised in that: described to utilize the first anaerobism
Coagulating sedimentation reactor is equipped with water purification agent and flocculation aid dispensing port and PH adjustment equipment on aerobic (AO) processing subsystem, described
Solid impurity discharge outlet is equipped with using the first anaerobic-aerobic (AO) processing subsystem.
4. a kind of kitchen garbage, waste-water processing system according to claim 1, it is characterised in that: connected on the aerobic tank
There is the roots blower for oxygen pond gas supply of becoming better, is provided with frequency converter on the roots blower, further includes having control host, it should
It is provided with PLC controller on control host, which is connected with frequency converter, and aerobic tank end is equipped with measurement dissolved oxygen
Dissolved oxygen instrument, dissolved oxygen content data are input to control and host and control frequency converter after PID arithmetic by PL controller C
Rate-adaptive pacemaker.
5. a kind of kitchen garbage, waste-water processing system according to claim 1, it is characterised in that: the kitchen garbage, waste-water
Processing system processing step:
Classification and Anaerobic Treatment are carried out to kitchen garbage using Anaerobic Treatment subsystem first, will be divided using Anaerobic Treatment subsystem
Kitchen garbage from sundries such as plastic substance, vial, chopsticks, ceramics carries out Anaerobic Treatment, and water is added in kitchen garbage and obtains
To mixture, mixture carbon-nitrogen ratio is adjusted, blender is slowly stirred, and mesophilic digestion generates biogas, obtains kitchen garbage after processing
Waste water；
Then kitchen garbage handle for the first time (AO) using the first anaerobic-aerobic (AO) processing subsystem, be detested using first
Aerobic (AO) processing subsystem of oxygen carries out first time AO processing to kitchen garbage: kitchen garbage, waste-water is poured into coagulating sedimentation reaction
Device adjusts pH range, then successively add deployed water purification agent and flocculation aid, which is in coagulating sedimentation reactor
Polyacrylamide, the flocculation aid are aluminium polychloride, so that most of suspended solid impurities precipitating, supernatant in kitchen garbage, waste-water
Liquid enters anaerobic pond, by carrying out anaerobic reaction processing in the anaerobic reactor in anaerobic pond；After treatment pours into waste water
Aerobic tank carries out aerobic aeration reaction；
Secondly using membrane biological reaction (MBR) processing subsystem to the processed waste water of the first anaerobic-aerobic (AO) processing subsystem
It is further processed；
It is sharp again to the processed waste water of the first anaerobic-aerobic (AO) processing subsystem using membrane biological reaction (MBR) processing subsystem
With Fenton processing subsystem, to MBR, treated that waste water is handled, and removal is difficult to the organic pollutant degraded；
Final process finally is done to the waste water after Fenton technology using the second anaerobic-aerobic (AO) processing subsystem, by kitchen garbage
Waste water pours into coagulating sedimentation reactor, in coagulating sedimentation reactor, adjusts pH range, then successively add deployed water purification agent
And flocculation aid, the water purification agent are polyacrylamide, which is aluminium polychloride, so that largely hanging in kitchen garbage, waste-water
Floating solid impurity precipitating, supernatant enters anaerobic pond, by carrying out anaerobic reaction processing in the anaerobic reactor in anaerobic pond；Place
Waste water is poured into aerobic tank after reason, aerobic aeration reaction is carried out, finally obtains the waste water being disposed.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003887A (en) * | 2019-12-11 | 2020-04-14 | 广东迈洁尔生物环保科技有限公司 | Kitchen waste wastewater treatment process |
| CN112551800A (en) * | 2020-10-14 | 2021-03-26 | 南京万德斯环保科技股份有限公司 | Full-quantitative treatment method of kitchen biogas slurry |
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| CN111003887A (en) * | 2019-12-11 | 2020-04-14 | 广东迈洁尔生物环保科技有限公司 | Kitchen waste wastewater treatment process |
| CN112551800A (en) * | 2020-10-14 | 2021-03-26 | 南京万德斯环保科技股份有限公司 | Full-quantitative treatment method of kitchen biogas slurry |
| CN112551800B (en) * | 2020-10-14 | 2023-07-25 | 南京万德斯环保科技股份有限公司 | Full-quantification treatment method for kitchen biogas slurry |
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Effective date of registration: 20200228 Address after: 215000 No.3, Yangsu Road, Gusu District, Suzhou City, Jiangsu Province Applicant after: Suzhou Jinrui Environmental Technology Co.,Ltd. Address before: 850000 Sunshine New Town Villa District C-16, No. 158 Jinzhu Road, Chengguan District, Lhasa City, Tibet Autonomous Region Applicant before: TIBET JINRUI ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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