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At Welflow Valve, we deeply understand the challenges and pressures you face in keeping your operations running smoothly and efficiently. It's not just about purchasing stainless steel valves and fittings; It's about finding a reliable partner who understands your needs and is committed to supporting your success every step of the way. That's why we've tailored our approach to prioritize not just the quality of our products, but also the quality of our relationships with you, our valued customers.

HEBEI JINMAI CASTING Co., Ltd., which named LUQUAN ZHANDAO QIAOXI MALLEABLE IRON PIPE FITTINGS Co., Ltd., was first built in 1988, and founded in 1998with the investment of ¥ 360 million. Our factory existing staff of more than 1000 people, which is located in Zhandao Malleable Iron Zone, Shijiazhuang City, Luquan District. Covering an area of 40 thousand square meters. Our position is Predominant and has convenient traffic.

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.

Founded in 2000 and located in Yinzhou District, Ningbo, Zhejiang, China, Ningji Machinery is a professional manufacturer specializing in custom precision CNC machining, CNC turning & milling, and OEM metal component production.

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.

Ningbo xintai Industry and trade Co., Ltd. is a professional production and manufacturer of hydraulic hose fittings, hydraulic hose ferrules, hydraulic fittings, Stainless steel hose fittings, hydraulic adapter and other products, with a complete and scientific quality management system. Ningbo xintai industry and trade Co., Ltd. 's integrity, strength and product quality have been recognized by the industry. Welcome friends from all walks of life to visit, guidance and business negotiation. "The pursuit of quality, technology first" is the company's quality policy; "Reputation first, sustainable service" is the company's business purpose. We sincerely hope to establish long-term, mutual trust and mutual benefit cooperation with customers at home and abroad to create the ideal cause.

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.

Wenzhou Jianhao pipe fittings Co., Ltd. Specializes in the production of stainless steel threaded pipe fittings, non-standard accessories, stainless steel flange. With a complete and scientific quality management system, the product quality is more perfect. Products are widely used in: Water supply, petroleum, environmental protection, chemical industry, food, electricity, construction, sewage, metallurgy, supporting fire fighting system, etc. Pipe material: Stainless steel 201, 304, 316, etc., to undertake threaded pipe fittings and various non-standard accessories Wenzhou Jianhao pipe fittings Co., Ltd. is recognized by the industry for its integrity, strength and product quality. Welcome friends from all walks of life to visit, guide and business negotiation. Wenzhou Jianhao pipe fittings has 13 years of design and development experience in the industry, with our team spirit and unity of perseverance, as well as our excellent employees, we will meet the next more brilliant decade, ten years of sharpening a sword, we will continue to sharpen ourselves. Wenzhou Jianhao pipe fittings Co., Ltd. Specializes in the production of stainless steel threaded pipe fittings, non-standard accessories, stainless steel flange. With a complete and scientific quality management system, the product quality is more perfect. Products are widely used in: Water supply, petroleum, environmental protection, chemical industry, food, electricity, construction, sewage, metallurgy, supporting fire fighting system, etc. Pipe material: Stainless steel 201, 304, 316, etc., to undertake threaded pipe fittings and various non-standard accessories Wenzhou Jianhao pipe fittings Co., Ltd. is recognized by the industry for its integrity, strength and product quality. Welcome friends from all walks of life to visit, guide and business negotiation.

Hebei Jianzhi Casting Group Co., Ltd. Was founded in 1982, the production of various varieties of specifications Jianzhi brand pipe fittings, has more than 40 years of production history. The enterprise now covers an area of 1 million square meters and has total assets of 2.5 billion yuan. It has more than 4000 employees, including more than 500 senior and intermediate engineering and technical personnel. With an annual output of more than 300, 000 tons of malleable cast iron pipe fittings, ductile iron grooved pipe fittings, malleable cast iron threaded pipe fittings, malleable cast iron lined plastic pipe fittings, various line fittings and mechanical fittings. The products are sold to more than 30 provinces, municipalities and autonomous regions in China, and exported to more than 130 countries and regions such as Southeast Asia, Europe, Africa, South America, Oceania, etc. The comprehensive strength of the domestic industry is preferred.

Qingdao HQ Import & Export Co., Ltd, the export office of HQ Pipeline, which is a professional manufacturer & exporter of all kinds of pipe fittings, flanges and valves in China: Forged Steel Pipe Fittings, Flanges, Butt Weld Pipe Fittings, Nipples and Coupling, UL/FM Ductile Iron Grooved Pipe Fittings, Pipe hangers and Clamps, Gate Valve, Butterfly Valve, Check Valve, Strainers, Ball Valve...And casting and forging OEM/ODM service, which are widely used in the field of petroleum, natural gas, ship building, metallurgy, electric power, chemical industries, fire protection etc.

Founded in 2004, Shanxi Longsheng Yuanyuan Technology Co., Ltd. Has grown over two decades into a modern, integrated enterprise that combines R&D, foundry, machining, and sales. We specialize in producing malleable-iron pipe fittings, grooved piping components, and precision castings. Our in-house brand "LSZZ" has earned rising recognition in the industry, providing products, services, and turnkey solutions for water supply and drainage, fire protection, natural gas, and other systems, supported by a mature and stable distributor network across multiple regions in China.

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.

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.

Passion and dedication, enterprising, integrity and win-win, perseverance and persistence.

When it comes to our company's introduction, we take pride in our extensive range of products such as Steel pipe joints, hexagonal plug head, smooth joints, hexagonal outer tooth joints, water pipe joints, elbows, by, tee, nuts and other accessories. Products are designed and manufactured in accordance with international standards: API, ANSI, BS, DIN, JIS, exported to North America, South America, Western Europe, the Middle East and Southeast Asia markets

C&N Industrial Group have two faclity( ITONG anHUd HONGCHENG), is a leading manufacturer of steel pipef itting, flange products in China With 30 years in pipeline fields both manufacturing and trading. We have been supplying high quality piping material to our customer all over the world. Since 2006, our experience in pipe fitting and flange win many clients approval include ARAMCO, SADRA, SWCC, PDO, OQ, ADAMA, DOWL, Sonatrach etc. Besides products production, We have strong technicians can make Customized design as per ASME VIII, ASME B31.3, ASME B31.4 etc

Ruoteng Valve was setted up many years, located in Wenzhou city providing a wide range of stainless steel products for food, dairy, beverage, cosmetic and wine industry.

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

Ezo Stainless is the subsidiary of Jiayuan machinery which was established in 2007. The Ezo stainless steel is specially manufacturing stainless steel tank, filter, pump, manways for dairy, pharmaceutical, dairy, beverage, food industries.

SHANXI BOHAO malleable casting iron Co., Ltd. Was established in 2000, and is a young and vibrant company, has specialized  in production and supply of malleable casting iron pipe fittings for 25 years. We hold the spirit of giving our customers best product and most competitive price to support our clients to develop their business. We hope a win-win result and long-term cooperation with our customers.

Hebei Mingda International Trading Company is a trading company which is specialized in castings, forgings and machinery parts.

3S INTERNATIONAL Company Limited (called 3S INTERNATIONAL for short) was established in November 2013 under the law of PRC, she was united by Specialized Services & Supplies Company General Trading & Contracting W. L. L. (called Kuwait 3S for short) in Kuwait and Prosper Business and Industry Co., Ltd (called PROSPER for short) in China.

Hebei Pipefun Pipe and Fitting Facility Co., Ltd., is established in 2000, it is a specialized enterprise professional in producing steel pipes and pipe fittings. Choosing us to be your business partner can bring you great advantages in business! There are 25 engineers and 89 skilled workers in our factory. Our products have passed the professional certification of ISO 9001 and API5L. Under one roof, you can have steel pipes and pipe fittings of ASTM standard, BS standard, DIN standard, JIS standard and so on. At the same time, we can manufacture the pipeline OD Range from 38mm-4000mm, and the pipe coating including 2PE/3PE/2PP/3PP, epoxy coal bitumen coating, IPN8710 coating for drinking water pipeline, FBE and various kinds of internal and external pipe coating. With our excellent technology and quality assurance, our products have been exported to many countries for projects, such as Europe, MID East, Asia and South America. We have gained good feedback and long term cooperation!

Wor-biz Industrial Product Co., Ltd is a professional OEM supplier for castings, forgings and stampings in rough in plumbing, gas fuel piping, commercial cooking, agricultural machinery, fireplace, fire protection & water heater industry for more than 20 years. By providing competitive price, high quality products, strong technical support, excellent communication and service, we supplied our products to more than 20 top level manufacturers in America and West Europe. Products cover floor drain, shower drain, roof drain, Cleanout, supply hangers, stubout brackets, water and gas connectors, gas CSST, Brass gas fittings, manifolds, valves, top cooking grate, gas burner, brass Drain valves, lawnmower parts, Truck Chassis Bracket, fire sprinkler and all other accessories.

Cangzhou Bewin Hardware Products Co., Ltd is one of the leading companies dealing in exporting Ball Vales, Screwed Fittings, Butt-Welded Fittings, Forged Fitting, Flanges and Pipes etc.

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.

 Fuhouxiang Factory is a leading production base in the pipe fitting industry, integrating R&D, design, production, sales, and maintenance. Since its commissioning in 2012, it has developed steadily, now covering an area of 60, 000 square meters with over 650 professional employees and an annual production capacity of approximately 60, 000 tons.

Fluid Tech Group is the first export company in northern China specializing in fire protection systems, water systems, plumbing systems, gas systems, HVAC systems and other pipe fittings. With years of industry experience in pipeline fluid conveying systems, the group company established the group company in 2018 together with a number of foundry manufacturers and machining enterprises, and currently has five major production bases, which are located in Tangshan City, Hebei Province, Weifang City, Shandong Province, Cangzhou City, Shanxi Province, and Zhejiang Province, China. Among them, the international trade headquarters is set up in Tianjin.

QINGDAO FLUIDO INDUSTRIAL Co., Ltd is a leading manufacturer and exporter specializing in valves, pipe fittings and OEM metal parts. Our core product range includes: