din pipe reducing1,000+ factories verified

ZENGO Group Limited has over twenty years of experience in manufacturing high-quality HVAC and refrigeration products.

We are proud to introduce **Cheng-jiu (CNCJ)**, a leading Chinese manufacturer specializing in stainless steel flanges, pipe fittings. With strong independent R&D and production capabilities, our brand has earned an excellent reputation in China and beyond.

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.

Huashang Steel was established in 2009, , after 15 years of development, We have gradually grown into a professional industrial pipe system provider and manufacturer. Serving customers from more than 50 Countries and regions World wide

Wenzhou Kosun fluid offers customers high quality and reliable products with most up - to - date technology and top design. The product is produced according to DIN BS 3A RJT and FDA standard with OEM service. The products are widely used in pharmacy, brewery, distillery dairy beverage, winery cosmetic and engineering support field. Kosun has distributors in USA, Canada, Australia, New Zealand, Italy, UK, Denmark, Argentina, Colombia, Philipines, Malaysia and other Countries.

Established in 1995, Ningbo Yinzhou Hisea Machinery Co., Ltd. Has morden and advanced CNC machining capibility, casting factories, forging workshops and stamping factories, including other capacibilities, such as welding, laser cutting, metal fabrication, CNC Turning and CNC Milling and molds development. 3, 4, 5, 6 and 7-axis precision CNC machining services for aluminum, brass, copper, steel, titanium, ABS, PEEK, PVC, PVDF, polyethylene, polystyrene, graphite, polyester and wood. Also have Capabilities include EDM, hole popping, drilling, boring, threading, tapping, knurling, broaching, counterboring, countersinking, profiling, reaming, parting, cutting and facing. Prototype and low to high volume production offered.

Huasheng Pipeline Technology Co., Ltd. Was established in 1988 and is located in the High-Tech Industrial Development Zone of Changzhou, Jiangsu Province, China. It specializes in the research and development, production, and manufacturing of plastic pipeline products, providing professional industrial pipeline system solutions to customers.

Xingsheng Machinery Technology Co., Ltd. Was established in 1990. It is a leading manufacturer of stainless steel flanges, sanitary pipe fittings and valves with more than 30 years of experience in the industry. The company has an area of 20, 000 square meters and 200 employees, half of them are technicians who understand production and quality. We rely on the geographical advantages of Wenzhou City, which is close to Ningbo Port, Shanghai Port and Yiwu China-Europe Train Hub, and rely on the high-quality and efficient raw material of stainless steel and special steel have supplied by Tsingshan Holding Group. After more than 30 years of development, we have created efficient machining production capabilities and an experienced production team.

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.

For the last couple of years we focus only on one thing: How to make your valves and fitting work better. We think, we design, we apply different kind of accessories to your equipment. We offer our design with competitive manufacturing process cost to support brands with attitudes and styles. Come talk to us. ZHEJIANG YUZHENG VALVE TECHNOLOGY Co., Ltd has been a manufacturer of Stainless Steel Ball Valves and Pipe Fittings since 1998. With the concept of "Customer First", we have achieved stable and fast development, we will keep on innovation and expand our business all over the world. It is about 5 minutes away from Yongqiang Airport, and half an hour from Wenzhou Train Station. Ningbo Port and Shanghai Port are very close to our factory.

Quzhou ECO Imp. & Exp. Co., Ltd is a professional supplier of meters in China since year 2000.

Synergy Industry Co., Limited is a China-based professional supplier and exporter specializing in certified firefighting products.

Xiamen Erikeke Industrial Co., Ltd was founded since 2000. Our factory is located in Yuxi town, Fuqing, Fujian Province.

Wenzhou Lianggang Pipe Fitting Valves Co., Ltd. Is a manufacturer specializing in threaded pipes fitting and valves. Especially in recent years invented technical screw tap equipment, to overcome the product skew angle of the world problems, the products we sale can achieve without skew Angle, appearance no broke, product no leakage. The user can use the appearance is beautiful and Quality is reliable high grade advanced series of products. As a famous-nationwide one, our companyobtains advanced equipments high-grade technicians, exports high-level products to America, Southeast Asia and Middle East Regions and enjoy a great reputation inside all over the world.

About us

We are a member of group company located in China. We have various kinds of plastic products.

About Us:

Shenzhen Conghui Precision Hardware Co., Ltd. Originated in 2008, founded by some technique holics with passion in Hardware and Fasteners Field for over 20 years. It is a collection of scientific research, development, design, production and sales as one of the diversified enterprise group, specialized in producing standard fasteners, non-standard fasteners, CNC machining parts such as screws, nuts, bolts, stamping parts, rivets, thread rods, washers, pins, heat sinks, dies, lathe parts, CNC machining parts, CNC turning parts, CNC milling parts, pipe fittings and other products according to GB, DIN, ANSI, JIS, ISO, JB etc. Standards. Main levels of carbon steel: 4.8, 4.8, 6.8, 8.8, 10.9, and 12.9 grade, the main material of stainless steel SS201, SS304, SS316 and various kinds of special stainless steel, brass, titanium, aluminum.

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>

Wofly Technology (Group) was established in 2011, headquartered in Shenzhen, China. It has three subsidiaries: Hunan Wofly, Hubei Wofly, and Hong Kong Wofly, as well as Shanghai Wofly Branch and Xi'an Office. Wofl Group Co., Ltd. is a company that specializes in the research and development, manufacturing, and sales of precision high-purity fluid valves and special gas equipment. A national high-tech enterprise and specialized new enterprise that integrates gas system engineering design, installation, and technical services. The group company enjoys a high influence in the national special gas field, with a senior management team, research and development team, engineering and technical experts, etc. The group company has professional contracting qualifications for building mechanical and electrical installation engineering, GC2 pressure pipelines, multiple national patents, and international certifications such as CE/RoHS/TIME certification. The company strictly implements various management measures in accordance with ISO9001 standards.

Yuyao Xinchi Casting Co., Ltd. is a professional cam & groove coupling and composite hose manufacturer. We design and produce camlock coupling, guillemin coupling, composite hose and universal coupling according to the international standard.

Hangzhou VODE Plastic Co., Ltd., located in Yuhang district, Hangzhou city, Zhejiang province, China, was founded in 2007. It is a well-known manufacturer specialized in high-tech, high capability, and high reliability UPVC, CPVC piping system and Ultra filtration Membrane housings in China.

Hebei Wanda Malleable Iron Co., Ltd., one of leading manufacturer and exporter of malleable iron pipe fitting and casting products in China. We have been in this line for more than 20 years and have solid technological support, complete testing methods, and advanced equipment and processing craft.

Company Profile

Zhejiang Decheng Stainless Steel Co., Ltd. Was founded in 1997. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers.

WENZHOU SINCO STEEL CO. Ltd (ZHEJIANG TSINGCO PIPING TECHNOLOGY Co., Ltd ). Is one of the leading manufacturer and exporter for the Stainless Steel Seamless Pipes & Tubes from Wenzhou, China. Based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings, flanges, valves etc to our customers home and abroad.

Jiaxing Huiya Pipeline Technology Co., Ltd founded in 2019.  

Hebei Yueyao Pipeline Manufacturing Co., Ltd. is located in Yanshan County, Cangzhou City, Hebei Province, with an annual output of 20, 000 tons, and is committed to the research and production of pipeline systems.

Ningbo Qianxiang Huiya International Trade Co., Ltd (Set up in 2008) is a professional manufacturer plastic valve/pipe fittings in Building materials.

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.