grooved reducer300+ 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.

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.

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.

Our company offers variety of products which can meet your multifarious demands. 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. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

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.

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

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.

Company Overview: 28 Years of Industry Experience & Global Reach

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

 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.

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.

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.

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.

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.

Maitolead Group - Professional Company Introduction

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

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:

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.

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.

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.

Tianjin Youfa International Trade Co., Ltd. is the subsidiary of Tianjin Youfa Group. As one of the windows for international business, we mainly focus on exploring overseas markets as well as developing and offering service for major domestic clients. Tianjin Youfa Group is a comprehensive steel-based enterprise, the business includes steel-making, steel strip, straight seam welded pipe, galvanized pipe, rectangular pipe, spiral pipe, plastic inner-lined pipe, seamless pipe, covered electrode, so on and so forth. The annual integrate production capacity amounts to 7.5 million tons. Since 2006, we have been one of the leading corporations in Chinese Top-500. What is more, Youfa Group is the largest straight-seam welded pipe manufacturer in China. In 2008, "YouFa" Brand was regarded as the "Well-known Chinese Trademark" by Trademark Office State Administration for Industry &Commerce of the People's Republic of China. Meanwhile, we are the first-class supplier for CNPC, Sinopec and some big relevant companies. So as to adapt to the overall-developing strategy, at the beginning of 2010, YouFa Group and its subsidiaries founded SIANO(Beijing) Steel Co., Ltd, which is responsible for the import &export business, building business contact with some influential companies and providing the after-sale service for our customers.

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.

Company Overview

TAIZHOU EASTAR TECHNOLOGY Co., Ltd operates as a fully integrated industry and trade entity.  

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.

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.

Company Overview

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.

Zhejiang Parkson Water Industry Equipment Stock Co., Ltd, established in 2006, is a national high-tech enterprise headquartered in Hangzhou, which is a group company integrating design and development, casting, machining and surface treatment. Its business spans multiple sectors including design and development, casting, machining, and surface treatment, forming a comprehensive industrial chain. The core products mainly include precision castings, pipe fittings, and sealing rings, which are widely used in the global precision casting industry.