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Hebei Shengtian Pipe-Fitting Group Co., Ltd.

28 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Pipe Elbow, Pipe Tee, Pipe Cap, Pipe Reducer, Pipe Bend
Country/Region:
Hebei, China
Sample Service:
Sample Available
Company Profile:
Hebei Shengtian Pipe-Fitting Group Co., Ltd. Was established in 1989. We are located in MengcunCounty in Hebei Province, covering an area of 100, 000 square meters, with a workshop of 25, 000 square meters and registered capital of $7, 500, 000. Our company has a strong staff team. There are over 360 employees, including over 30 professionals and technicians.

Zhejiang Tianyan Holding Co., Ltd.

30 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Pipe; Pipe Fitting; Valve; Faucet
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TIANYAN HOLDING Co., Ltd., located in Chengjiang industrial zone, Huangyan district, Taizhou city, Zhejiang province, covers an area of 80, 000 square meters. It is a big manufacturer, who be specialized in high-tech, high capability, and high reliability piping system. The annual output is around 30, 000 tons, and the types of products are more than 20, 000 PCS. The quality and safety are paid attention to seriously, so many important certificates and identifications was acquired, including the authentication certificate of quality management system - ISO9001, the authentication certificate of environmental management system - ISO14001, the authentication certificate of occupational health management system - OHSAS18001. All of the products had passed the detection by national building material test center and other relevant authoritative department. And the company has be honored as the "Zhejiang famous export brand", "Zhejiang famous brand", "Zhejiang trustworthy company AA level" and many other honorary titles. After more than twenty years of development and innovation, the scale of factory continues to growing, and professional teams in the fields of mold, material, and artwork have been established. Large quantities of leading production machines and testing equipments have been brought in at home and abroad. At present, the export quantity of the company ranks the second in China. Furthermore, the third phase workshops are building now.

Qingdao Ironsteel International Trading Co., Ltd.

21 yrs
·Trading Company
Main Products:
Steel Pipe, PPGI Coil/Sheet, PPGI Roofing Sheet, Galvanized Steel Coil, Galvanized Steel Sheet, Stainless Steel Sheet, Stainless Steel Coil, Seamless Steel Pipe, Stainless Steel Pipe, Steel Pipe Fitti
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Ironsteel International Trading Co., Ltd. is a professional manufacturer/supplier of different kinds of steel coil/sheet and steel pipe products in north of China.

Qingdao Eathu Import and Export Co., Ltd.

23 yrs
·Trading Company
Main Products:
Forging Parts, Casting Parts, Lifting Anchor System, Metal OEM Parts, Precast Concrete Hardware, Pipe Fittings, Butterfly Valve, Forged Flange
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Eathu Import and Export Co., Ltd...Is one of the biggest manufacturers and exporters of OEM parts and construction hardware products in China. We have more than 16 years of experience in integrating R&D, production and service in the fabrication services industry.

Shanxi Solid Industrial Co., Ltd.

Main Products:
Ductile Iron Pipes &Pipe Fittings, Manhole Covers, Flanges, Valves, Flange Adaptor, Dismantling Joints, PVC/PE/PPR Pipes &Pipe Fittings, Fire Hydrant, Water Meters, Steel Pipe &Pipe Fittings
Country/Region:
Shanxi, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
SHANXI SOLID INDUSTRIAL Co., Ltd. is located in the heavy industry province of Shanxi, which is abundant in iron ore, coke, steel and other industrial raw materials. We are one professional manufacturer in China for the pipeline products. We supply a comprehensive range products such as Ductile iron pipes, Ductile iron pipe fittings, Dismantling joints, Flange adaptors, Couplings, Steel pipes, Steel pipe fittings, PVC / PE/ PPR pipes, PVC/ PE/ PPR pipe fittings, Valves, Manhole covers, flanges, Rubber O rings, Fasteners, Pumps, water meters and other castings and forgings according to various international standards. We can also make the castings and forgings according to customers' drawings or samples. Our products are widely used in pipeline system for drinkable water, sewage, oil, gas, chemical plants and so on, and they have been widely exported to Europe, Middle East, South East Asia, Africa, Middle and South America for years. Up to now, we have exported our products to more than one hundred countries, they are well accepted by the customers and have won good reputation both at home and aboard.

Zhejiang Tianyan Holding Co., Ltd.

30 yrs
·Manufacturer/Factory & Trading Company
Main Products:
PVC Pipe, PVC Fittings, CPVC Pipe, CPVC Fittings, PP Fittings, PVC Ball Valve, CPVC Ball Valve
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TIANYAN HOLDING Co., Ltd., located in Chengjiang industrial zone, Huangyan district, Taizhou city, Zhejiang province, covers an area of 80, 000 square meters. It is a big manufacturer, who be specialized in high-tech, high capability, and high reliability piping system. The annual output is around 30, 000 tons, and the types of products are more than 20, 000 PCS. The quality and safety are paid attention to seriously, so many important certificates and identifications was acquired, including the authentication certificate of quality management system - ISO9001, the authentication certificate of environmental management system - ISO14001, the authentication certificate of occupational health management system - OHSAS18001. All of the products had passed the detection by national building material test center and other relevant authoritative department. And the company has be honored as the "Zhejiang famous export brand", "Zhejiang famous brand", "Zhejiang trustworthy company AA level" and many other honorary titles. After more than twenty years of development and innovation, the scale of factory continues to growing, and professional teams in the fields of mold, material, and artwork have been established. Large quantities of leading production machines and testing equipments have been brought in at home and abroad. At present, the export quantity of the company ranks the second in China. Furthermore, the third phase workshops are building now.

Zhejiang Jiangxin Copper Pipeline Co., Ltd.

16 yrs·5.0
·Manufacturer/Factory
Main Products:
Copper Fittings, Brass Fittings, Refrigeration Parts
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhejiang Jiangxin Copper Pipeline Co., Ltd. Was established in 1990 and is located in the Ruanshi Industrial Park in Zhuji, Zhejiang province. The two sections of the company cover an area of 20, 000 kilos and have more than 200 employees. After 28 years of unremitting efforts with higher standards, the company has transformed from the original family workshop into a modern-scale enterprise. The product line extends from single copper refrigeration parts to a number of thousands of products, covering refrigeration, heating, machine fittings, water pipe fittings, valves, etc. And strive to open up new areas and new channels to achieve the vision of pipe fittings leading enterprises.

WEGS (Shanghai) Fluid Technology Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Press Fitting, Pipe Fitting, Stainless Steel Press Fitting, Stainless Steel Elbow, Stainless Steel Pipe Fititngs, Water Pipe, Inox Fittings, Tubes and Connections, Plumbing Fittings, Water Plumbing Fittings
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
WEGS (Shanghai) Fluid Technology Co., Ltd., founded in 2012, is a dedicated manufacturer and supplier specializing in the research, development, production, and sales of double (V Profile) press thin-walled stainless steel and carbon steel pipes, along with pipeline accessories.

Ningbo Lutong Hydraulic Equipment Co., Ltd.

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Hydraulic Equipment
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Ningbo Lutong hydraulic equipment Co., Ltd is a professional manufacturer of hydraulic pipe fittings. The quality of products are so good with ISO 9001: 2008 certificate to export America, Peru, Brasil, Mexico etc.

Hebei Pengrun Pipe Fittings Manufacturing Co., Ltd.

15 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Flange, Pipe Fittings, Forged Flange, Forged Valve, Forge Socket Fittings, Blind Flange, Lap Joint Flange, Stainless Steel Flange
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hebei Pengrun Pipe Fittings Manufacturing Co., Ltd. Has been specializing in steel pipe fittings and pipeline accessories since 2012. Located in Yanshan County, Hebei, China's core pipe fittings industrial base, we boast solid production scale, strong capital strength and an experienced professional technical team, fully capable of supporting your bulk orders and customized pipeline matching needs.

Juchuang Valve(Shanghai) Co., Ltd.

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Gas Pressure Regulators, Gcetec Diaphgram Valve, Ultra Purity Valve for Sale, Full Lifes Cycle Gas Delivery Equip and System
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Juchuang Valve (Shanghai) Co., Ltd. - Owner of the GCTEC Brand

Cangzhou Hangxin Flange Co., Limited.

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Steel Flange, Steel Pipe Fittings
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Cangzhou Hangxin Flange Co. Ltd., established in 2016, is engaged in the manufacture and export of flanges and pipe fittings. Our factory is located in Mengcun County, the hometown of elbow fittings in China, 120km north of Tianjin and 260km northwest of Beijing Capital International Airport, with convenient transportation.

Zhuji Fengfan Piping Co., Ltd.

26 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Pipe, Valve, Fittings
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
IFAN factory started in 1993. And IFAN has workshop 120000 square meter with 610 staff. IFAN can design and produce all plumbing pipe and fitting include PPR, PVC, CPVC PPSU HDPE PEXA PEXB PERT pipe and fitting, brass fitting, brass ball valve, heating system, gas system, sanitary faucets and hose, In the past 30 Years, IFAN has never forgotten his mission-To protect health and safety. And IFAN factory use best materials to produce high quality pipe and fittings with automatic production line and high tech quality control machines. The most important, IFAN can guarantee that all pipes and fittings manufactured by IFAN are qualified. We accept OEM/ODM and all kinds of customization is available over here. Our 56 professional engineers are always leading from the front to overcome all the difficulties. We use 100% new raw materials to make each single product of ours, During production and even after the production, our professional quality inspection team always keep an eye in every single details. That's why our customers can get exclusive and guaranteed quality products form us.

Wenzhou Hupoo Pipe Industry Co., Ltd.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Pipe Fittings
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wenzhou hupoo pipe industry co. Ltd is located in Wenzhou Economic and technological development zone. Our company is a professional manufacturer of press fitting, M profile and V profile, groove fitting, water manifold, with the material of stainless steel 304/304L, 316/316L.

CHANGZHOU XITA PLASTIC CO., LTD.

10 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Butterfly Valve, Ball Valve, PVC Flange, Pph Ball Valve, Pipe Fitting, PVC Ball Valve, PVC Pipe Fitting, PVC Rubber Ring Joint Fittings, Tissue Tape, PVC Foam Tape
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Changzhou Xita Plastic Co., Ltd is a professional supplier of UPVC/CPVC/PE/PPR Pipes, pipe fittings, valves. Plastic piping systems such as pipes, fittings and valves is widely used in water supply, chemical industry, water treatment, environmental protection, pharmaceutical area etc.

Ningbo Fuke Hydraulics Machinery Co., Ltd.

8 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Hydraulic Fitting, High Precision Hydraulic Valve Blocks, High-Pressure Ball Valves, Check Valve
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Ningbo Fuke Hydraulic Machinery Co., Ltd. is a professional company dedicated to the production and research and development of hydraulic fluid connectors and control valves.

Hangzhou Jiuyang Plastic Pipe Industry Co., Ltd.

23 yrs
·Manufacturer/Factory & Trading Company
Main Products:
HDPE Pipe, PE Pipe Fitting, Electrofusion Pipe Fittings, Threaded Fittings, Steel Wire Mesh Pipe, HDPE Butt Pipe Fittings, PE Series Valve, Pert-II Pipe, Pert-II Pipe Fittings, Mpp Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hangzhou Jiuyang Plastic Pipe Industry Co., Ltd. Was established in 2004 and is a company specializing in the production and sales of HDPE water supply pipes and fittings.

Wenzhou Joneng Valves Co., Limited

4.5
Main Products:
Butterfly Valve, Diaphragm Valve, Check Valve, Pipe Fitting, Sample Valve, Union, Cpm Valve, Centrifugal Pump, Manhole Cover, Safety Valve
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
JoNeng valves company was started in 2007. Located in the stainless steel industry zone, Wenzhou, China.

Wenzhou Huayu Valve Co., Ltd.

9 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Ball Valves, Butterfly Valves, Check Valves, Diaphragm Valvesdirectional Valves, Stainless Steel Fittings, Steel Pipes, Flanges, Food Packaging Accessories
Country/Region:
Zhejiang, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Since its establishment in 2017, Wenzhou Huayu Valve Co., Ltd. Has been committed to becoming a professional manufacturer in the field of high-quality and high-precision fluid equipment. The company's core products cover various types of valves such as butterfly valves, check valves, and ball valves. With their outstanding sealing performance, corrosion resistance, and long service life, these products have been widely applied in fields with extremely high requirements for hygiene and precision, including biopharmaceuticals, juice beverages, meat processing, health products, daily chemical products, and fine chemicals industries. It has become an indispensable key component in the production processes of many enterprises.

Danyang YiCheng Fluid Equipment Co., Ltd.

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Tube Fitting
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu YiCheng Fluid Equipment Co., Ltd was founded in 2008, the main products are tube fittings, pipe fittings, hose fittings, hydraulic fittings, flange and other products, widely used in high pressure hydraulic industry, cement industry, chemicals, food processing, nuclear, oil, gas, paper industry, railway and ship building. <o: P>

Ningbo Irriplast Irrigation Systems CO., LTD.

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
PP Compression Fittings & Ball Valve
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Irriplast irrigation is a large-scale enterprise group which is established and LED by Jack Family. We have specialized in the research and development of irrigation equipment for 20 years. Our company is registered in the USA and the R&D site is located in Florida, we are committed to developing world-class irrigation products with our relevant work experience and well-qualified designers. The factory is in Yuyao, Zhejiang, China, which uses international advanced pipe production line, injection machine and other accessory equipment into manufacture. We are offering full scale of PP-R pipes and fittings, PP compression fittings, HDPE fittings, PVC ball valves, saddle clamp and plastic moulds to meet your different demands. Due to ensure the good quality of our products, we set up a first class laboratory and examine products constantly.

Wenzhou Nuomeng Technology Co., Ltd.

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Sanitary butterfly valves, Elbow, Tee, Ferrule
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
WenZhou NUOMENG Technology Co., Ltd. is a factory which professionally produces high precision liquid equipments in China. The brand "NUOMENG" has highly valued from customer all over the world.

Hebei Cangrun Pipeline Equipment Co., Ltd.

5.0
Main Products:
Galvanized High Strength Steel Pipes, Carbon Steel Seamless Stainless Steel Elbow, Carbon Steel Thread Tee, Carbon Steel FF RF Blind Butt Welding Flange, Carbon Steel Cap, Carbon Steel Concentric Reducer, Thread Carbon Steel Seamless Nipple, Soft Seal Gate Valve Z45X-10q/16q/25q, Sockolet, Four Way Tee
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
HEBEI CANGRUN PIPELINE EQUIPMENT Co., Ltd is a professional manufacturer of industrial pipes, industrial pipe fittings and flanges, based in China. Our products include all types of industrial pipe fittings and flange, they are widely used in electric power, petrochemical, chemical, pharmaceutical, boiler, heating, shipbuilding, and other industries.

Suzhou Metal (BIM) Technology Co.,Ltd

Main Products:
Strut Channel, Unistrut Channel, Unistrut Channel Fittings, Seismic Support and Hanger, Pipe Clamps, Conduit Clamps, Beam Clamps, Stainless Steel Pipe, Strut Channel Connector, Strut Channel Post Base
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Suzhou BIM Metal Technology Co., Ltd located in No. 18 Kangsheng Road, Zhitang Town, Changshu City, Suzhou, Jiangsu Province, China. BIM Metal is closed to Shanghai Port, with 15000 square meters. BIM Metal is founded in 1997 with a registered capital of RMB 100 million, which is a solution supplier that integrates the R&D and manufacture of building products, the design of supports and hangers, the comprehensive optimization design of BIM pipelines and related supporting services. Our main products includes support and hanger systems, seismic bracing systems, steel Strut channel, Unistrut channel clamp, connector, base and anchor bolt accessories etc. BIM Metal is capable of manufacturing various steel support and hanger products of 20, 000 tons annually, which brings the amount of sales of RMB 200 million. Our company's products are sold in the whole world, like Europe, Japan, South Korea, USA, Canada, Brazil, Peru, India, UAE, South African etc.

Cangzhou Yiwen Pipeline Equipment Co., Ltd

Main Products:
Pipe Reducer, Pipe Cap, Pipe Elbow, Pipe Tee, Pipe Bend, Forged Fittings, Steel Pipe, Flanges
Country/Region:
Hebei, China
R&D Capacity:
ODM Service
Company Profile:
Cangzhou Yiwen Pipeline Equipment Co., Ltd. is located in Mengcun County, Cangzhou City, Hebei Province, China. It is a professional manufacturer of flanged pipe fittings and related products. Our main products include butt welding flanges, flat welding flanges, neck flat welding, blind plates, manholes, elbows, branch platforms, tees and crosses, pipe collars and caps, reducers, compensators, waterproof Casing, hanger, etc. In addition, we also produce steel pipe products such as thermal insulation steel pipe, 3PE, three oil and two cloth. Our flanged pipe fittings are widely used in petroleum, chemical, electric power, aerospace, shipbuilding and other industries, and have been widely recognized and praised by customers. Our steel pipe products have excellent anti-corrosion performance and durability, and are widely used in urban water supply, natural gas, HVAC, industrial pipelines and other fields.

Shandong Donghong Pipe Industry Co., Ltd.

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Steel wire reinforced PE composite pipe, HDPE pipe, PE pipe, steel pipe
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Donghong Pipe Industry Co., Ltd. ( Donghong Pipe Industry, stock code: 603856) is headquartered in the hometown of Confucius - Qufu, China, and is an engineering pipeline manufacturer, pipeline engineering service provider and general contractor of pipeline engineering for all kinds of high polymer plastic pipelines, modified plastic composite pipes, heavy Donghong is a manufacturer of engineering pipelines, pipeline engineering service provider and general contractor of pipeline engineering with various types of high polymer plastic pipes, modified plastic composite pipes, heavy anti-corrosion metal pipes, energy-saving thermal insulated pipelines, connecting fittings and the application of new materials as its main business. Relying on the national enterprise technology center, the company integrates upstream and downstream ecological resources, deepens the research on digitalization, informatization and intelligentization of pipeline engineering, integrates intelligent pipeline into human life, and devotes itself to becoming a global leading comprehensive solution provider of pipeline system.

Zhejiang Zhitong Pipe Valve Technology Co., Ltd.

Main Products:
Stainless Steel Flanges, Pipe Fittings, Stainless Steel Valves, Stainless Steel Fittings, Stainless Steel 90 Elbow, Bw Fittings, Stainless Steel Ball Valves, Forged Flange, Flange Ball Valve, Threaded Pipe Fittings
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhejiang Zhitong Pipe Valve Technology Co., Ltd is a professional pipe fittings, valves and flanges manufacturer and exporter for Water Treatment, Food and Beverage (Dairy Processing), Papermaking Industry, Shipbuilding Industry, Power Industry, Bioengineering, Natural Gas, Wastewater Treatment, Construction, Metallurgical Industry, Semiconductor Industry, Photovoltaic (PV) Industry, New Energy, Petrochemical and Oilfield Industry. We deliver exceptional value by providing customers with the most important elements: Premium Quality, Reasonable Price and Impeccable Services. Zhitong designs and builds a broad array of quality products in its ISO 9001 and CE manufacturing facility. Our products adhere to GB, JIS, DIN, DIN, EN, API, ANSI/ASME specifications for material content, pressure ratings and quality assurance, ensuring that our customers receive consistent quality and reliability every time. Additionally, we are able to modify existing products or manufacture new designs to meet specific requirements. Zhitong's vision is to become the leading and foremost company in the pipeline fitting industry, and to be known as a company who always keeps our promise of quality products, reasonable pricing, and prompt delivery. By providing a broad range of high quality products at competitive prices, Zhitong pipeline offers its customers a significant advantage in the industrial marketplace. We see ourselves not just as a supplier for our clients, but as their partner in helping them achieved their own goals and objectives.

Shanxi Jingdong Pipe Industry Co., Ltd.

6 yrs·5.0
·Trading Company
Main Products:
Ductile Iron Pipe, Ductile Iron Pipe Fittings, Ductile Iron Manhole Cover
Country/Region:
Shanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jingdong Pipe Industry Co., Ltd is a large group company integrating mining, beneficiation, sintering, ironmaking, and casting. It has three smelting blast furnaces, ten centrifugal units, three annealing furnaces and five automated finishing lines. It mainly produces ductile iron pipes, flexible cast iron drainage pipes, ductile iron fittings, ductile iron manhole covers. The overall annual production capacity exceeds 500, 000 tons. The company's products have passed: Environmental Management System GB/T24001-2016/ISO14001: 2015; Occupational Health Management System ISO45001: 2018; Quality Management System GB/T19001-2016/ISO9001: 2015. And become the recommended product of China Water Supply and Drainage Association. Product implementation standard: GB/T13295-2109.