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Anhui Zhonghong Shengxin Energy Equipment Co.,Ltd.

Main Products:
Piston Compressor, Centrifugal Compressor, Screw Compressor, CNG Compressor, Gas-Filling, Natural Gas Compressor, Nitrogen Compressor, Carbon Dioxide Compressor, Hydrogen Compressor, Biogas Compressor
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Anhui Zhonghong ShengXin Energy Equipment Co., Ltd. is a leading enterprise in the national compressor industry with a history of over 40 years in producing various types of compressors. Anhui Zhonghong ShengXin Energy Equipment Co., Ltd. Currently employs more than 100 people, including technical personnel and staff. The company has obtained ISO9001: 2000 quality management system certification, GJB9001A: 2001 quality management system certification, and has introduced an ERP management system for internal management. The company possesses some of the most advanced mechanical processing equipment in the world, comprehensive testing methods, a scientific management system, a professional research and development team, and a marketing team. Products are designed with the assistance of SolidWorks 3D software, with continuous development of new products and technological improvements to existing ones.

Shandong Chaoruisi Hi - Tech Metals Co., Ltd

13 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Seamless/Welded Stainless Steel Pipe, Ultra-Clean Pipe, EP/BA/MP/AP Stainless Steel Tube, Stainless Steel Fittings & Connectors& Accessories
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Shandong Chaoruisi Hi-Tech Metals Co., Ltd. Was established on November 29, 2013, with a legal representative of Sun Chengyong, a registered capital of 10.8 million yuan, a unified social credit code of 91370705085110806T, and an address at the Houguanzhuang Industrial Park, Houguanzhuang Village, Beicheng Street, Weifang Economic Development Zone, Shandong. Houguanzhuang Industrial Park, Houguanzhuang Village, Beicheng Street, Weifang Economic Development Zone, Shandong Province. The industry it belongs to is wholesale, and its business scope includes: General items: Research and development of new material technology; Technical services, technology development, technical consulting, technical exchanges, technology transfer, technology promotion; Non-ferrous metal alloy manufacturing; Metal products sales; Import and export of goods; Import and export of technology; Earthwork construction; Landscaping construction; And operation of wires and cables. (Except for projects subject to approval according to law, business activities can be carried out independently according to law with a business license) Licensed projects: Operating Class III medical devices; Subcontracting construction services; Construction engineering; Electrical installation services. (Projects subject to approval according to law can only be carried out after approval by the relevant authorities. The specific business items are subject to the approval documents or licenses issued by the relevant authorities. ) Shandong Chaoruisi New Material Technology Co., Ltd. is currently operating (open for business) as a going concern.

Zhongshan Sailon Import and Export Co., Ltd

9 yrs·5.0
Main Products:
UV Lamp; Germicidal Lamp; Ballast; Sleeves Quarts; Infrared Lamp
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
SailonUV was found in 2010 and is a benchmark enterprise leading the development of UVC lamp manufacturing industry in China.

Nanjing Bangwin Gas Equipment Co., Ltd.

Main Products:
Psa Oxygen Plant, Air Separation Plant, Gas Booster, Psa Nitrogen Plant, Small Liquid Nitrogen Plant, Air Compressor, CNG Gas Cylinder, Seamless Steel Cylinder
Country/Region:
Jiangsu, China
R&D Capacity:
OEM Service
Company Profile:
Nanjing BangWin Gas Equipment Co., Ltd, established on June 12, 2014, is a powerful subsidiary invested in and built by Nanjing BangWin Cylinder Co., Ltd. It is the largest and most professional gas equipment manufacturing company in the country, and a member unit of the Nanjing Special Equipment Association, a director unit of the National Gas Equipment Standards Committee, affiliated with key enterprises at the city and district levels, and a national high-tech enterprise. Our company is located in the industrial park of Jianye District, Nanjing City, Jiangsu Province, covering an area of more than 200 mu, with a construction area of 60, 000 square meters. It has more than 800 employees, including more than 150 engineering and technical personnel. The company has a registered capital of 110 million yuan, fixed assets of 200 million yuan, and an annual output of 6 million gas cylinders. Through refined cost control, strict quality management, and relying on Nanjing's logistics and transportation advantages, the company has achieved the first production and sales volume in China, with gas equipment firmly occupying more than 70% of the domestic and international markets.

Beijing Zetron Technology Co., Ltd

9 yrs·5.0
·Trading Company
Main Products:
Gas Detector/Air Monitor/Gas Analyzer/Air Analyzer/Gas Alarm
Country/Region:
Beijing, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Zetron has 20 years of combined experience developing, manufacturing and marketing a complete line of gas detection equipment to protect people from hazardous conditions in industrial, research and commercial applications. Today, Zetron is committed to providing air detection equipment, services and solutions to keep your people and plant safe.

Hangzhou Mai Rui Gas Engineering Equipment Co., Ltd

3 yrs
·Trading Company
Main Products:
Nitrogen Generator, Oxygen Generator, Gas Separation Membrane, Air dryer
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 2024, Mairui Gas Engineering Equipment Co., Ltd. is LED by a skilled team with over 20 years of expertise in air and gas separation technologies. We specialize in developing and manufacturing advanced gas separation systems, including compact nitrogen generators, small-scale oxygen generators, gas separation membranes, air dryers, and purification equipment.

Foshan Ever Heat Exchanger Co., Ltd

Main Products:
Heat Exchangers, Cooling Coil, Evaporator Coil, Condenser Coil, Dry Cooler, Ss Tube and Fin Heat Exchanger, Ti Tube and Fin Heat Exchanger, Heat Exchanger Equipment, Ahu Coil, Heating Coil
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Foshan Ever Heat Exchanger Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, sales, and service of heat exchanger systems across various industries.

Brotie Technology Company Limited

Main Products:
Oxygen Generator, O2 Generator, Oxygen Compressor, O2 Compressor, Oxygen Analyzer, Nitrogen Generator, Oxygen Cylinder Filling, Gas Analyzer, Gas Compressor, Sf6 Compressor
Country/Region:
Beijing, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Registered in Beijing, BROTIE is specialized in air separation solutions, gas boosting solutions, gas analyzing and related industrial gas solutions. Our products include PSA nitrogen generators, PSA oxygen generators, totally oil-free gas compressors, gas analyzers and related equipments.

Zhongshan Vangood Appliances Mfg Co., Ltd.

7 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Gas Water Heater, Gas Water Heater Parts, Gas Hob, Gas Stove, Gas Cooker, Gas Cooktop, Gas Stove Parts, Range Hoods, Range Hoods Parts, Water Heaters, Gas Boiler
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Vangood is a professional manufacturer of gas appliances based in Zhongshan, Guangdong, China. With over 20 years of industry experience, we have been serving customers in more than 100 countries worldwide.

Shandong Yunfan Heavy Industry Group Co., Ltd

4 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Drum Dryer
Country/Region:
Shandong, China
R&D Capacity:
ODM Service
Company Profile:
Shandong Yunfan Heavy Industry Group Co., Ltd. Was established in 2015 with a registered capital of 20 million. It has passed the national high-tech enterprise certification and specializes in the research and development of drum drying production lines. The company has advanced mechanical processing and manufacturing technology and perfect product quality testing methods. It always adheres to the market-oriented approach and actively cooperates with many domestic scientific research institutes. There are currently 8 senior engineers and 2 professors and senior engineers. Implement the independent innovation strategy to create a scientific and technological innovation enterprise.

LDH GAS SYSTEMS COMPANY LIMITED

9 yrs·5.0
·Trading Company
Main Products:
Nitrogen Generator, Oxygen Generator, Liquid Nitrogen Generator, Cryogenic N2/O2 Generator, Oxygen Filling Machine, Gas Generator, High Purity 99.5% Oxygen Generator, Membrane Nitrogen Generator
Country/Region:
Beijing, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
LDH Gas Systems Ltd. Is a company specializing in gas separation equipment. The main nitrogen generator, oxygen generator, liquid nitrogen generator design, research and development, production, sales as one of the integrated enterprises. In many years of production and sales, we have met friends from all over the world, to establish a good partnership. Products are exported to Bangladesh, Indonesia, Pakistan, Holland, Brazil, Australia and other countries.

Wenzhou Huiyi Valve Co., Ltd.

Main Products:
Ball Valve, Needle Valve, Check Valve, Globe Valve, Gate Valve, Compression Fitting, Forged Steel Pipe Fitting, Casting Steel Screwed Fitting, Butt Weld Pipe Fitting, Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Wenzhou Huiyi Valve Co., Ltd is a leading manufacturer who specialized in pipe fittings, valves and metal products for over 20 years, our company is located in China Valve Town-Wenzhou City, China. We have two factories, standardized production base, advanced producing equipment, modern management, standardized quality control system, relying on the purpose of "quality is the core competitiveness", which make HUIYI VALVE products win good reputation in international market.

Weifang Kangte Electromechanical Co., Ltd.

Main Products:
Generator, Gas Generator, Diesel Generator
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
WEIFANG KANGTE ELECTROMECHANICAL Co., Ltd. is engaged in gas generator sets ( including:  natural gas,  biogas,  oil field associated gas,  coal bed methane,  biomass gas and other combustible gas) and diesel generator sets research and development, production, sales and service in one of the comprehensive enterprises. The company is located in "China Power City" - Weifang City, Shandong Province.

Shanghai Sinomac Machinery Industrial Co., Ltd.

11 yrs
·Trading Company
Main Products:
Cryogenic Liquid Oxygen Nitrogen Argon Pumps, LNG LCNG Gas Refilling Station, Air Heatd Vaporizer
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shanghai SINOMAC MACHINERY INDUSTRIAL Co., Ltd is a technology enterprise specialized in R&D, manufacture various of cryogenic pumps/vaporizer/air separation plant/PSA oxygen nitrogen generator/liquid CO2 pump/liquid LNG pump/LNG LCNG Gas Staion/Hydrogen Gas Station/oxygen nitrogen argon gas compressor products. Our company always insists on taking the technology as the motility, emphasizing technique and products innovation, cooperating with many scientific and research institutes, academic schools which are in the same industry range with us. It has more than 40 years of experience in research and development, design and manufacture of cryogenic products and equipment. The company has strong technical strength and has a number of national patents. Our factory passed the ISO9001: 2010 quality management system and CE certification, and obtained a number of national invention patents. Our main products:

Yangzhou Zhongrui Boiler Co., Ltd.

2 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Boilers and Boiler Auxiliaries
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
China-Swiss Group focuses on the R&D, manufacturing, promotion and application of clean energy and new energy technologies in China. Leveraging China's abundant human resources, manufacturing capacity and improved industrial chain, the group has completed the industrial layout of environmental protection boilers centered on the Chinese mainland market and radiating globally. It has established branch offices and agencies in provinces and cities across the country, responsible for product sales and after-sales services.

Shandong Daxi Industrial Equipment Co., Ltd.

2 yrs·5.0
·Trading Company
Main Products:
Boiler
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Company Profile:
General project: Manufacturing of instruments and meters; Technology import and export; Import and export of goods; Industrial engineering design services; Sales of special equipment; Energy saving management services; Contract energy management; Sales of mechanical equipment; Engineering management services; Installation services for ordinary mechanical equipment; Sales of anti-corrosion materials; Sales of insulation materials; Sales of electric food processing equipment; General equipment repair; Specialized equipment repair; Sales of specialized equipment for environmental protection; Internet sales (except for the sale of goods that need to be licensed); Complete sets of nuclear power equipment and engineering technology research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Non residential real estate leasing. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law) Licensed project: Construction project construction; Construction project design; Special equipment inspection and testing; Installation, renovation, and repair of special equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments. )

SHANGHAI RISEON INDUSTRY CO., LTD.

1 yrs
·Manufacturer/Factory
Main Products:
Gas cylinders
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai RISEON is the Shanghai branch of Shandong Yong'an Ruisheng Special Equipment Technology Co., Ltd. Headquartered on the 5th floor, No. 1101 Bocheng Road, Pudong New Area, Shanghai, RISEON leverages its parent company's deep R&D and manufacturing strength to deliver efficient, safe cylinder solutions to customers worldwide.

Hunan Liyu Gas Power Co., Ltd.

17 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Gas-fired Generating Set
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Liyu Group was founded in 1994. Its predecessor was Dongguan Liyu Electromechanical Co., Ltd., headquartered in Changsha City, Hunan Province. It is the core of the country and has three major new energy industry bases in Guangdong, Hunan and Shanxi and a professional rubber. Product company. The Group currently has Guangdong Liyu New Energy Technology Co., Ltd., Hunan Liyu Gas Power Co., Ltd., Shanxi Liyu New Energy Technology Co., Ltd. (including Yangquan Liyu New Energy Technology Co., Ltd. ), Guangdong Liyu Yibao Shoes Co., Ltd. Liyu (Hong Kong) Co., Ltd. 5 wholly-owned subsidiaries. Liyu Group focuses on new energy development and its products and services are spread all over China, covering gas engine R&D and manufacturing, gas engine equipment sales, system integration, after-sales service, and coalbed methane investment and development operations. Its products and services are widely used. Gas-fired power generation fields such as coalbed methane, biogas, and natural gas. With the mission of becoming an advocate of China's green economy development and providing customers with core generator set equipment and system solutions for energy conservation and emission reduction projects, Liyu Group is determined to become the leader in equipment manufacturing and coalbed methane development and utilization in China's gas energy industry. In the past 20 years, Liyu has always been committed to promoting green energy, and is committed to improving the development and application of gas-fired power generation technology. It is constantly pursuing advanced science and technology and innovative management modes to provide customers with value-added green energy solutions. The Group has a number of scientific research achievements and national patents in the gas power generation industry. It is a high-tech enterprise in Guangdong Province and a high-tech enterprise in Hunan Province. The Group is currently engaged in commercial applications and projects under construction totaling more than 200 units with a total installed capacity of over 500MW.

Jiangsu Exact Instrument Technology Co., Ltd.

Manufacturer/Factory & Trading Company
Main Products:
Pressure Gauge, Thermometer, Spare Parts
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Exact Instrument Technology Co., Ltd is a branch of Anhui Exact Instrument Co., Ltd. We are international designer, manufacturer and trader of pressure & temperature instruments since 2003. Our factory located in Maanshan City. Now we have more than 160 staffs and factory area is more than 12, 000 square meters. Our daily output is more than 20, 000PCS types of instruments.

Zhejiang Binger New Type Refrigerant Co., Ltd.

Main Products:
Refrigerant Gas R134A, R134A Gas, Hfc, Hfo, Refrigerant Gas, Refrigerant Gas R404A, Hcfc
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Zhejiang Binger New Type Refrigerant Co., Ltd., Established in 2010 and located in Quzhou, Zhejiang Province of P. R. China. We covering an area of 20, 000 square meters, is professionally engaged in refrigerant R&D, manufacturing and distribution. We focus on the R&D and extension of new-environment friendly refrigerant with annual output of simple-substance and new-type mixed refrigerants more than 200, 000 tons.

Fujian Air Technology Systems Co., Ltd

3 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Hvls Fan, Air heating unit, Industrial Air Conditioner, Air Heating and Cooling Unit.
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Established in 2005, AirTS is a technology-driven enterprise integrating R&D, manufacturing, sales, and technical services for energy-saving equipment. We specialize in providing comprehensive, turnkey solutions-from system design and implementation to long-term operation and maintenance-for energy-saving projects.

Henan Zhong An Electronic Detection Technology CO.,LTD

14 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Gas Detector: Portable Gas Detector, Fixed Gas Detector, Gas Alarm Controller, Flame Detector, Alcohol Detector, Household Instrument
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Henan ZhongAn Electronic Detection Technology Co., Ltd. Was established in 2012. We are committed to the development and production of gas detector/ gas sensor/ gas analyzer/ flame detector/ laser methane detector/ IoT gas alarm controller/ flow meter/ pressure transmitter, etc. Now, our ZhongAn has been high-tech and specialized enterprises. The products are exported to North America, South America, Europe, Oceania, Africa, Asia and other more than 100 countries and regions, enjoy a high reputation in the international market!

Jiangsu Kelinyuan Clean Energy Technology Co., Ltd

3 yrs
·Trading Company
Main Products:
Internal Combustion High Power Gen Set,Dual Fuel Gen Set, Wet Biochemical Desulfurization Technology,CCHP,Mixed and Combustion with Direct Injection,300kW-4000kW all kinds of combustible gases Gen-set
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
In order to bring the world's leading clean energy products to more users, we established Jiangsu Kelinyuan Clean Energy Technology Co., Ltd. In 2023, headquartered in Weiyang District, Xi 'an, Shaanxi Province, Poly Zhongda Plaza C Block. Relying on Shengyuan, Shaanchai and other leading enterprises in the industry, the company specializes in the research and development and sales of gas internal combustion engine power generation and waste gas and wastewater purification equipment, tailor-made energy saving and emission reduction efficiency and income programs for domestic and foreign customers, and joined hands with more partners to achieve the "double carbon" strategic goal. With continuous innovation, leading China's gas power, reaching the international advanced level, breaking foreign monopoly, and filling the domestic gap. Automation gives products greater stability and ease of use. Kelinyuan is deeply rooted in the foot and distant, projecting clean energy technologies, products and services to more places. Let China gas power can serve the world.

Hong Kong Youmeng Studio Limited

1 yrs
·Trading Company
Main Products:
Waste Water Treatment, Waste Gas Treatment
Country/Region:
Hongkong, Hongkong_China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hong Kong Youmeng Studio Limited\ is an international arm of Guangdong Yushang Ecological Environment Co., Ltd., leveraging decades of expertise to deliver cutting-edge waste gas and wastewater treatment equipment and engineering services worldwide. We provide end-to-end solutions-from design and equipment manufacturing to construction and operation-tailored for industries requiring VOC abatement, desulfurization, denitrification, industrial wastewater recycling, and sludge treatment.

Chengdu Derbo Steel Co., Ltd

5.0
Main Products:
Steel Pipe, Stainless Steel, Steel Plate, Fitting, Flange
Country/Region:
Sichuan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Chengdu Derbo Steel Co., Ltd. Since its establishment in 1990s, has focused on steel industry for more than10 years with the principle of perfect quality and excellent service and basic purpose of providing strategic sourcing service and product solutions for foreign market.

Jinan Jichai Huanneng Gas Generating Equipment Co., Ltd.

20 yrs·5.0
·Trading Company
Main Products:
Gas Generator
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jinan Jichai Huanneng Gas Generating Equipment Co., Ltd(JCHN) is a high-tech sales &service subsidiary company of Jinan Diesel Engine Co., Ltd.

Yangzhou Jill Machinery Co., Ltd.

Main Products:
Steel Pipe Making Machine Line, Refrigerator Pipe Making Machine Line, Double Thickness Pipe Making Machine Line, Steel Coil Slitting Machine Line, Cold Saw, High Frequency Welder, Tube Mill, ERW Pipe Machine, Strip Forming Machine
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
ST Group  engage in providing the best professional solutions and services of series different industry machines. Such as high frequency welded pipe unit is a type of equipment used for manufacturing steel pipes. It uses high-frequency current to heat the steel strip to the welding temperature, and then welds the steel strip into a tubular shape through pressure. The high-frequency welded pipe unit is mainly composed of uncoilers, shearing machines, welding machines, cooling machines, cutting machines, etc. It can produce welded pipes of various specifications and materials, widely used in industries such as construction, bridges, pipelines, automobiles, machinery, etc. The high-frequency welded pipe unit has the advantages of high production efficiency, low cost, and good welding quality, and is one of the indispensable equipment in modern industrial production.

Suzhou Nai Lok Fluid Technology Co., Ltd.

5.0
·Manufacturer/Factory & Trading Company
Main Products:
High Pressure Valve, Ball Valve, Pressure Regulator, Alloy Valve, Dbb Valves, Instrumentation Valves, Sample Cylinder, Pipe & Tube Fittings, Needle Valve, Hose & Tubing
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Established in 2000, NAI-LOK has made a name of itself in the list of top suppliers of in China. We focus on the production, research and development, sales of instrumentation valves and alloy valves. We have more than 20 years of precision valve manufacturing and 10 years of export experience.

Heze Zexuan Equipment Manufacturing Co., Ltd.

7 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Biogas Flare, Ground Flare, Flare Stack, Flue Gas Purification Equipment, Thermal Oxidation Furnace, VOCs Waste Gas Treatment, Wastewater Treatment, Industrial Automation and DCS System Application
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Heze Zexuan Equipment Manufacturing Co., Ltd. Was established in 2015 and is located in Shandong, China. It is an enterprise engaged in the manufacture of special environmental protection equipment; Research and development of special environmental protection equipment; Research and development of mechanical equipment; Manufacturing of intelligent instruments and meters; Comprehensive utilization of waste gas and research and development and promotion of VOCs treatment technology. The company's main products and services are: Ground torches, flare towers, waste gas release torches, biogas torches, waste gas incineration equipment, wastewater treatment equipment manufacturing, industrial automation and DCS system applications, wastewater treatment projects, VOCs treatment equipment and engineering construction, petrochemical accessories and instrument sales, petrochemical equipment installation, maintenance and repair, etc.; Supporting product customization services and OEM services in the same industry, from design to manufacturing, installation, commissioning, after-sales one-stop service