gost threaded flanges600+ factories verified

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.

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.

ShanXi HongKai Forging Co., Ltd. Was located in Dingxiang County, known as the "Hometown of Forging Flanges" in Shanxi Province, which is part of Chinese energy and heavy chemical industrial base. The area boasts convenient transportation, abundant coal and power resources, fast communication, and an excellent environment. The company has three big workshops in total. We have 20 years experiences in flanges and forging industry, we can produce 20, 000MT per year. We have strength capacity to produce the flange in every process.  

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:

Zhejiang Jiurong fluid equipment Technology Co., Ltd is a comprehensive enterprise with R&D, design, manufacturing and sales. The marketing network is distributed at home and abroad. It has imported advanced numerical control machine tools and spectrometers, material detectors, coarse excess detectors, ultrasonic flaw detectors, and other series of production and testing equipment to ensure the quality and accuracy of products. We can undertake: DIN, ANSI, JIS, BS, NF, GB, JB, SH, HG etc.

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.

HDSTEEL Group (HD-STEEL) was established in 2011 and is located in Yanshan Industrial Zone, Cangzhou, Hebei, well known as China's "Pipe Fittings Capital. " With a registered capital of RMB 8 million and a 5, 000 m² production facility, we are a professional manufacturer and supplier of steel pipes, flanges, and pipe fittings.

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.

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.

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.

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.

Hebei Xintai Pipeline Technology Co., Ltd.

Founded in 2016, Wenzhou Chenye Flange Co., Ltd. is situated in Longwan District, Wenzhou - China's core industrial cluster for flange manufacturing. We are a professional manufacturer specializing in stainless steel flange forging, precision machining, standard flange production and custom non-standard flange solutions. With years of industry accumulation, we have developed stable production capacity and mature technical strength.

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.

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

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

Kingrail Parts is one of China's most professional railway wheel manufacturers. We produce railway wheels of various sizes for high-speed trains, freight trains, subways, locomotives, passenger trains, and rail vehicles.

Permanent Steel Manufacturing Co., Ltd has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, casing pipe, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc. As a factory, which specializing in the production, processing and sales of various steel pipes and pipe fittings size enterprises, headquartered in Hunan, the production base is located in Shandong and Tianjin.

Our company offers variety of products which can meet your multifarious demands. Such as steel pipes, pipe fittings, flanges, pipe spools...

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.

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

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 1988, SYI Group Companies have served the society for over 30 years with best Municipal, Pipeline and Machinery Products & Services, including Pipes, Fittings, Universal Couplings, Flanged Adaptors, Dismantling Joints, Valves, Fire Hydrants, Manhole Covers, Gully Gratings, Surface Boxes, Manhole Steps, Tree Gratings, Bollards, Flanges, Lifting Anchors and other OEM Castings and Forgings.

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.

Hebei Cangtie Industrial Co., Ltd. is one of the large-scale enterprises specializing in steel pipes and pipe fittings in Hebei Province. Since its establishment, the company has continued to deepen its roots in the steel pipe industry and has achieved remarkable results. The company has a registered capital of 50 million yuan and has strong financial strength, which provides a solid guarantee for business expansion and technology research and development.

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.

Shaanxi Huawei Technology Co., Ltd. is a modern high-end equipment manufacturing company engaged in research and development of forging high-tech, mechanical manufacturing, production, sales, and foreign trade of metal materials, integrating science, industry, and trade. The company is located at No. 80, West Section of Petrochemical Avenue, Xixian New District, Xi'an City. It currently has 3 sets of 5000 ton, 3500 ton, and 800 ton free forging hydraulic units, 3 hammer forging units, 12 heating and heat treatment furnaces, and more than 40 sets of large machining equipment such as lathes, milling machines, drills, boring and milling machines, grinding machines, and sawing machines. It has established a complete physical and chemical laboratory and mechanics laboratory, and has formed a series of 200-50000kg free forging and tire forging products. The annual production capacity is 40000 tons of forgings and forgings.

Baoding Xinlongtongda Trade Co., Ltd. is located in the Hi-tech Development District of Baoding city, Hebei province. It was established in 1987, and covers an area of 27000 m2.

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.

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.