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Focused on atmosphere pollution control for 18 years

We specialize in providing one-stop comprehensive solutions for VOCs and various types of dust

Kunshan Gongtong Environmental Protection Technology Co., Ltd. (“"GTST”"), established in 2006, is a high-tech enterprise integrating R&D, design, manufacturing, installation, and after-sales service.
Since its establishment, the company has undertaken over 5,000 air pollution prevention and control projects, receiving widespread praise and welcome. 
We have been awarded 53 patent certificates, including the general professional contracting qualification for environmental protection engineering, the special qualification for environmental engineering design, and the invention patent for zeolite waste gas treatment system, all issued by the Ministry of Housing and Urban-Rural Development.

10+

Qualifications

50+

Utility Model Patent Certificates

5000+

Projects

100+

Top 500 Enterprises

10+

Exporting Countries

15+

R&D Team

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Luyuan Electric Vehicle

Project Cases

Luyuan Electric Vehicle
Process: Exhaust gas transformation project in a spray painting workshop with an annual output of 2 million units
Treatment process: zeolite runner, zeolite particle adsorption and desorption + RTO
Processing air volume: 335000CMH
Luyuan Electric Vehicle

Project Cases

Luyuan Electric Vehicle
Product Name: Spraying Industry CO
Process: water washing + dry filtration + activated carbon concentration + catalytic combustion system (SC+DF+AC+CO)
Parameters: exhaust air volume: 270000m3/h, exhaust gas concentration: 0-150mg/m3, exhaust gas components: xylene, butyl ester, ethyl ester, n-butanol, ethyl acetate and other VOCs organic exhaust gas
Description: Spraying, coating and printing industries
Instructions for use: Party A's company is a high-end electric vehicle manufacturer founded in 1997. Its products cover three categories: electric bicycles, electric mopeds, and electric motorcycles. The group is headquartered in Zhejiang and has built core components intelligent manufacturing bases, Zhejiang intelligent manufacturing bases, Guangxi intelligent manufacturing bases, Shandong intelligent manufacturing bases, and Tianjin intelligent manufacturing bases, covering an area of over 2,000 acres, with an annual production capacity of over 10 million units and more than 70 sales. country. This time, our company designed a spray exhaust gas treatment system for the owner to process the iron parts coating line, PU line, and UV line, with a total capacity of 270,000m³/h. The treated gas is the organic waste gas generated by the spraying process during the production of electric vehicles. The system uses water washing (SC) + Three-stage dry filter (DF) + Water-resistant honeycomb activated carbon (AC) concentrates the exhaust gas and then passes it into the catalytic combustion system (CO) for treatment. The treatment efficiency is as high as over 90%. The treatment effect meets the local emission standards of Zhejiang Province and effectively solves the problem. Solved the problem of organic waste gas treatment for owners!
Nuoquan Pharmaceutical

Project Cases

Nuoquan Pharmaceutical
Client: A pharmaceutical intermediates manufacturer
Project location: Anhui. Anqing
Project time: 2022
Treatment process: alkali washing + water washing + defogging + regenerative incineration system (three tower RTO) + quenching + alkali washing
Treatment effect: reaches Anhui Province Pharmaceutical Industry Air Pollutant Emission Standard
Party A's company was registered and established in Anqing High-tech Zone, Anhui Province in December 2016. It is a high-tech enterprise focusing on the research, development, production and sales of APIs and advanced intermediates. It has set up R&D centers in Hefei and Anqing respectively.
This time, our company designed and manufactured a 20000nm³/h organic waste gas treatment system for the owner. It mainly deals with the high-concentration organic waste gas generated by the two production workshops and the breathing valve of the tank area. The system adopts pretreatment + three-tower regenerative combustion system. RTO + post-treatment for treatment; pre-treatment uses one-level alkali washing + one-level water washing: mainly removes inorganic acid and alkali gases and particulate matter in the exhaust gas and some water-soluble organic waste gas in the exhaust gas; three-tower regenerative combustion system RTO Organic waste gas is deeply removed, with a treatment efficiency of over 99%; the post-processing uses a quenching + alkali washing tower: reducing the temperature of the waste gas to ensure the safe operation of the back-end equipment and removing HCL, nitrogen oxides and other related gases generated by RTO secondary combustion, effectively solving the problem Owners’ organic waste gas management problems!
Dingwang Pharmaceutical

Project Cases

Dingwang Pharmaceutical
Product name: Three-room RTO for medical and chemical industry
Process: alkali washing + water washing + defogging + regenerative incineration system (three-chamber RTO) + quenching + alkali washing + water washing
Parameters: exhaust air volume: 53000Nm3/h, exhaust gas concentration: 0-5000mg/m3, exhaust gas components: methanol, ethanol, toluene, ethyl ethyl ester, methylene chloride, acetonitrile, DMF, isopropyl alcohol and other VOCs organic exhaust gas
Description: Pharmaceutical, pesticide and fine chemical industries
Instructions for use: Party A's company was established in 2017. It is a Japanese-funded enterprise focusing on the research and development, production and sales of APIs and advanced intermediates. What our company designed and manufactured for the owner this time is a 53000nm³/h organic waste gas treatment system, which mainly treats high-concentration organic waste gas generated from five production workshops and sewage pools; the system uses pretreatment + three-tower regenerative combustion system RTO + post-processing Treatment is carried out; pretreatment adopts one-level alkali washing + one-level water washing: it mainly removes inorganic acid and alkali gases and particulate matter in the exhaust gas and some water-soluble organic waste gas in the exhaust gas; the three-tower regenerative combustion system RTO deeply removes For organic waste gas, the treatment efficiency is as high as over 99%; the post-processing uses quenching + alkali washing tower + water washing: reducing the temperature of the waste gas to ensure the safe operation of the back-end equipment and removing HCL, nitrogen oxides and other related gases generated by RTO secondary combustion, effectively solving the problem Owners’ organic waste gas management problems!
Wikaway Cars

Project Cases

Wikaway Cars
Process: Exhaust gas from spraying workshop
Treatment process: Zeolite runner+RTO
Processing air volume: 69000CMH
Makita Group

Project Cases

Makita Group
Process: paint dripping + oven exhaust
Treatment process: Zeolite runner+CO
Processing air volume: 160000CMH
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PARTNER

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NEWS CENTER

We adhere to the business philosophy of "mutual benefit and win-win cooperation with customers, employees, and suppliers", uphold the values of "speaking the truth, doing practical things, seeking effectiveness, continuously innovating, constantly going beyond, being loyal to the company, faithful to duty, and loyal to one's integrity", and implement the development mission of "professionalism, quality, service, integrity, innovation, and transcendence"

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