round threaded flanges1,000+ factories verified

Hebei Pengrun Pipe Fittings Manufacturing Co., Ltd. Covers a total area of 80, 000 square meters, including 41, 000 square meters of workshops and 6, 000 square meters of office buildings, with a registered capital of 101.8 million. The company consists of a marketing department, information department, production technology department, quality inspection department, office, finance department, push-making workshop, flange forging and processing, machining workshop, support and hanger workshop, anti-corrosion and insulation workshop, wear-resistant plastic-lined pipe fittings workshop, etc. The company has passed ISO9001 quality assurance system certification, IS014001 environmental management system certification, IS045001 occupational health and safety management system certification. The company has advanced manufacturing equipment and complete testing equipment. It can process and manufacture pipe fittings made of alloy steel, stainless steel, ordinary carbon steel and other materials.

Wenzhou Safety Stainless Steel Co., Ltd. Was founded in 2018 and is located in Longwan District, Wenzhou City, on the coast of the East China Sea, which is renowned for its beautiful landscape and pleasant climate. It is adjacent to Wenzhou Airport and Wenzhou Railway Station, with a crisscrossing network of sea, land and air transportation, ensuring extremely convenient logistics and transportation, thus laying a solid geographical foundation for the company's vigorous development.

Jinan Hongtu Forging Co., Ltd. is situated in Puji Town, Zhangqiu City, Shandong Province-a region renowned as China's "Hometown of Blacksmiths. " Established in 2004, the company occupies a sprawling facility spanning over 30, 000 square meters. With a workforce of 160 employees, including 12 skilled technicians, we achieve an annual production capacity of 20, 000 metric tons of forged components, generating annual revenues exceeding 100 million RMB. Our vertically integrated operations encompass two forging plants and one precision machining facility, supported by cutting-edge infrastructure.

Wuxi YH internation Co. Ltd Steel Solutions is a leading distributor and supplier of high-quality steel products for industrial, commercial, and construction applications.

Ningbo HuaHui Metal Products Co., Ltd was founded in 1998.

Hebei Rich Pipe Fitting Mill Co. Ltd is an enterprise specializing in producing and exporting forged flanges, steel pipe fittings, fasteners, gaskets, steel pipes anchor blocks and anchor plates. It covers about 60, 000 square meters, and the capital assets is 7 million US dollar. Our factory is located in Tianjin to the north and Bohai sea to the east, near to Beijing city, named " the hometown of steel elbow and pipe fitting ", Which have a superior geographical location and convenient transportation.

Qingdao Ruilan Trade Co., Ltd. Are located in Qingdao, Shandong Province. The company mainly engaged in high-grade casting parts, forging parts, welding parts, machining parts, hydraulic cylinders, some skid steer loader accessories and railway parts.

Shanghai ALI-MAMA STEEL TRADING COMPANY. Known as Ali-Steel, pioneered in 2020, based in Shanghai, ALI-STEEL is a professional one-stop steel products supplier. Our business philosophy is"keep improving & win-win cooperation". We furnish best steel and strict quality management, perfect after-sales services, reasonable product prices, good customer reputation as we have faith in integrity of the our business philosophy. We realize the common development of customers, employees and enterprises. We have won trust and support of customers from all over the world. Selling steel all over China and mainly exported to South America, Southeast Asia, Middle East, South Africa, Australia and many more. Our company's main products: VARIOUS CARBON STEEL AND STAINLESS STEEL PIPE AND FITTING, STEEL CONSTRUCTION FABRICATION AND PRODUCTS, Metal including ERW steel pipe, LSAW STEEL pipe and SSAW STEEL pipe, Seamless steel pipe and galvanized Zinc steel pipe, square and rectangular steel pipe, steel plates and steel billets.

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.

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.

Shandong Shengxiangtong Flange Co., Ltd has a complete industrial production base, building area of more than 10, 000 square meters. The company has modern workshops and professional production line, the company equipment: Air hammer, hammer, press, grinding machine, CNC lathe, vertical lathe, CNC gantry drilling, CNC drilling, U automatically presbyopia machines also owns a group of highly professional design and development staff, high quality of the senior management staff and efficient technical personnel.

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.

WE-HDSTEEL - GROUP is composed of Hebei Province Dianli Pipe Fitting Co., Ltd and Cangzhou Hongding Pipe Industry Co., Ltd (abbreviated as HD - STEEL hereinafter). Since 1997, it has been located in Yanshan Industrial Zone, Cangzhou City, Hebei Province, near the "Elbow Capital".

Qingdao Songfei Precision Machinery Co., Ltd. Was founded in 2018 with a registered capital of 5 million yuan. Through years of dedicated efforts, it has developed into a well-known specialized, sophisticated, distinctive and innovative enterprise in the industry. The company has two production plants, which are respectively located in the West Coast New Area of Qingdao City, Shandong Province and Jiaozhou City, Qingdao. The production plant in the West Coast New Area covers an area of 6, 200 square meters, and the one in Jiaozhou covers an area of 3, 600 square meters. The two plants work in tandem and synergize their efforts. The company specializes in the processing and customization of non-standard precision metal parts and products, with a wide range of service areas spanning multiple industries such as chemical equipment, photovoltaic cutting equipment, petroleum machinery, mining equipment, construction machinery, agricultural machinery, automotive parts, and industrial valves. With its excellent product quality and top-notch service standards, the company has won the trust of many overseas customers internationally. It has been providing customized services for well-known enterprises such as Sinto in Japan, Federal Mogul in the United States, RIGHT in Japan, OASYS in Canada, WABCO in the United States, and Posco in South Korea for a long time. In China, the company is equally highly regarded and is a strategic partner of leading enterprises in the industry such as Gaoce, CRRC (China Railway Rolling Stock Corporation), Jereh Oilfield Services, and Haimai Group. Together, they forge ahead and create a win-win situation. The company boasts strong strength, possessing more than 80 sets of various precision processing equipment such as gantry machines, horizontal/vertical machining centers, CNC lathes, laser cutting machines, CNC bending machines, casting and welding equipment. With a solid technical foundation, it currently has 150 employees, including 20 professional technicians. It covers diverse production processes such as machining, precision casting, forging, welding, and sheet metal processing. It has the one-stop enterprise service capability from design concept, model building, product manufacturing, precision processing, accurate inspection to finished product assembly, with each link closely connected and operating efficiently in coordination. At the same time, to ensure the absolute reliability of product quality, the company is equipped with a series of precision inspection equipment such as coordinate measuring machines, projectors, tensile testing machines, and metallographic analyzers, and controls every process with a rigorous inspection process. Over the years, Qingdao Songfei Precision Machinery Co., Ltd. Has always adhered to quality as the core, upheld the principle of integrity, and been guided by customer satisfaction. It has continuously invested in research and development, constantly optimized the production process, deeply explored the potential for cost control, and made every effort to shorten the delivery cycle. With its profound technical accumulation and professional service team, it solves the customization problems of complex parts for customers and is committed to becoming a world-class metal parts customization provider, creating an industry model with quality and ingenuity.

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.

Our factory RUIAN HUILIDA METAL PRODUCTS Co., Ltd Was established in 2007, is located in a hardware manufacturing base and motorcycle fittings base distribution, zhejiang Ryan.

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.

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.

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!

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.

Hebei Xinqi Pipeline Equipment Co., Ltd is a professional manufacturer of steel pipe accessories in China. We specialize in manufacturing a wide variety of industrial pipe fittings, including pipe expansion joint, compensator, dismantling joint, flange, elbow, bend, reducer, tee, cross, cap, forged fittings. Our products are made from different kinds of metals, carbon steel, stainless steel, alloy steel, alumnium. They are available in different sizes, shapes and types in accordance with international standards such as ISO, ASME, MSS, API, EN, DIN, BS, GOST, JIS, AFNOR, GB and more. Our industrial pipe fittings fall into 4 main categories as below:

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.

Wuxi Liangjiang Metal Co., Ltd is professional in die forgings and castings, ring, shaft, gear, flange, cylinder and other products. Our goal is not just providing products, but also providing a complete solution including product design, tooling, fabrication and service for our customers to achieve their uppermost satisfaction.

Wuhan Harvest Engineering Co., Ltd is a growing company specialized in vacuum and sanitary products including

HEBEI HANGHONG TRADING Co., Ltd specializes in the production of pipe fittings, key clamps and metal stamping, etc., the main export markets are Europe, North America, Japan, South Korea, and Southeast Asia, etc.

Qingdao KRD Machinery Manufacturing Co., Ltd. Was established in 2013. It is a high-tech enterprise engaged in precision manufacturing of mechanical parts. Specializing in the manufacture of mechanical parts and the foreign trade of complete sets of equipment. The product and service range covers chemical equipment, photovoltaic cutting equipment, petroleum machinery, mining equipment, engineering machinery, agricultural machinery, auto parts, industrial valves, etc. With excellent product quality and high-quality service. Internationally, we serve customers in Canada SKYJACK, the United States John Deere, Southeast Asia, Northern Europe Volvo, Japan, South Korea Doosan and India. Domestically, we are a strategic partner of Gaoce Co., Ltd., Jerry Co., Ltd. And Qingte Co., Ltd.

China GAO TE Holding Group Co., Ltd., established in 2010, is a large-scale specialized enterprise focusing on valve design and development, scientific research and innovation, manufacturing, and sales services. The company covers an area of over 20, 000 square meters, with a building area reaching 45, 000 square meters, and employs 523 staff, including 51 engineering technicians and 11 senior engineers.

Hebei Xintai Pipeline Technology Co., Ltd.

KANAIF GROUP (SHANXI) PIPELINE SYSTEM CO. Ltd (USED NAME TAIGU XIN KANAIFU PLUMBING EQUIPMENT Co., Ltd BEFORE 11, DEC., 2020) W3S established in 2012, which is located in Baiyan Village, Taigu County of Shanxi Province. Our factory mainly produces grooved pipe fittings and Malleable Iron, with a construction area of 58000 square meters and more than 730 employees, the annual output is about 7 0000 tons. K&F is always focusing on research and development of malleable iron fittings, ductile iron grooved fittings and the piping system and flange. Our products are mainly applied in such industries as firefighting, water supply, construction industry, municipal engineering and petrochemical.

Cangzhou Yulong Steel Co., Ltd. is located in Lijiapu Industry, known as the "Capital of Pipe Fittings in China". It is a comprehensive enterprise integrating research and development, PRO- duction, sales, quality inspection, packaging, and trans- portation.