grooved flanges600+ factories verified

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.

Shandong Shengxin Pipe Industry Co., Ltd (SDSX), located in Changle weifang known as Diamond City in China, is a specialized in GROOVED FITTINGS AND COUPLINGS distribution system research and development and production of modern enterprises.

Founded in 1986, Weifang Lulin Machinery Co., Ltd. is a high-techenterprise integrating R&D, production, sales and service. Its products includeductile iron grooved pipe fittings, ductile iron valves, cast iron machinery partsand OEM castings, etc., which are widely used in civil and industrial fields suchas water, oil, gas and power transmission.

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.

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.

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 JiangHua Forging Machinery Co., Ltd was established in 1995. The company located in the eastern suburd of Jinan, possesses a favorable position: With Jinan International Airport to its west and Qingdao Port to its east. The company covers 480, 000 square meters, has 38, 000, 000, 000 RMB investment and possesses 360 staffs and more than 30 technicians. Annual capacity is more than 10000 tons.

 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.

Ever since the very genesis of our venture, , Elite Fire Equipment Co., Ltd is a specialized company dedicated to providing high-quality fire protection products worldwide. With a strong commitment to safety, reliability, and innovation, we serve distributors, contractors, and industrial clients across the globe.

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.

China JUNTONG, Focus on "making production" with spirit of craftsman like reliable, experienced, professional

Weifang Yinuo Casting Co., Ltd is a large high -tech enterprise specialized in development, creation, casting, production and painting of ductile iron grooved fittings since 2001. The company locates in Weifang of Shandong Province, China. With convenient transportation closed to Jinan-Qingdao and Weifang- Laiyang motorway.

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.

Hebei zhongji heavy industry valve Co., Ltd., located in jinzhou city, hebei province, is a well-known manufacturer and supplier of gate valves, ball valves, butterfly valves, globe valves, check valves, hydraulic control valves and other universal valves. It has its own independent research and development institutions, strong technical force, can design, produce and process a variety of middle and low pressure cast iron, cast steel and stainless steel valve products, more than 50 series of varieties, more than 500 specifications.

Maitolead Group - Professional Company Introduction

Guangzhou Kingmetal Steel Industry Co., Ltd., is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipefittings and prefabricated house. We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.

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.

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

Shanxi Midas Industrial Co., Ltd is located in Shanxi Province, enjoying convenient transportation access and a beautiful environment. We are specialized in the research, development, design, production and sale of pipeline products, such as ductile iron pipes, ductile iron pipe fittings, flange adaptors, couplings, dismantling joints, valves, manhole covers, flanges, steel pipes, steel pipe fittings, PVC pipes, PVC pipe fittings, water meters, fasteners, pumps and other casting and forging products. Our products are extensively used in pipeline system for drinkable water, sewage, oil, gas, chemical plants, etc.

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

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:

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.

Tianjin Zhonghui Valve Industry Co., Ltd. is a industrial valve manufacturing company, specializing in the design and manufacture of Butterflfly valves. We can produce wafer butterfly valves, lug butterfly valves, double flange butterfly valve according to DIN, ANSI, API, JIS, BS, GB standard.

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.

XINKE Group is wholly-owned group enterprise, located in Weifang Shandong, that world kite capital city, and the transportation hub of Jiaodong Peninsula in Shandong Province. Covering area of 200 acres, there are more than 400 employees and more than 80 technical backbones.

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.

Dingtai Chang International Trade Co., Ltd. (DTC) is a professional manufacturer and global supplier of industrial components, specializing in the R&D, production, and export of pipe fittings, flanges, valves and related products. The company is located in Guangzhou, China with own-facility in Hebei Province - one of the country's leading industrial hubs for stainless steel manufacturing. We offer a comprehensive range of products, including elbows, tees, reducers, flanges, and pipe spools, designed to meet the needs of diverse industries and applications. Our materials include 304, 304L, 316, 316L, 321, and duplex stainless steels, ensuring reliable performance across various operating conditions.

HENAN CHNFLEX INDUSTRIAL Co., Ltd. is a leading provider of high-quality rubber expansion joints for industrial and commercial applications. With years of experience in the industry, we have established ourselves as a trusted partner for clients seeking reliable and durable solutions for their piping systems.

Qingdao L&C Import & Export Co., Ltd. - Your Trusted Partner in Pipeline, Structural Steel, Hardware and Industrial Components

Shandong Weifang Import and Export Co., Ltd. is a professional foreign trade company which was founded in 1992 and we have twenty three business departments with more than 110 staff at present. Our main products include machinery and hardware, chemicals, garments and foods. During the past years, we establish business relation with more than forty counties all over the world and annual turnover reached 80 million US dollars in 2012.