concentric reducer700+ 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.

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.

Weifang Lulin Machinery Co., Ltd.  

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.

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.

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.

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.

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.

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.

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

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.

Greeting. Here is all the information that you need to know about China Shangdian Stainless Steel

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.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Hebei Xintai Pipeline Technology Co., Ltd.

 Qingdao Valtech Manufacturing Co., Ltd. is a professional manufacturer and exporter specializing in ductile iron pipe fittings, valves, pipeline connection products, and OEM casting solutions for water supply, irrigation, wastewater, and infrastructure projects worldwide.

Hebei Jinhang Pipeline Equipment Manufacturing Co., Ltd. is located in Mengcun Hui Autonomous County, Cangzhou, Hebei - the renowned "Capital of Chinese Pipe Fittings". Covering 100, 000 square meters, it is a robust and highly competitive professional manufacturer of pipeline fittings with solid production capabilities and rich industry experience.

Our factory,  located in Xinbei District,  Changzhou with a plant area of 5, 830 square meters,  is a professional manufacturer and supplier of PVC pipes and fittings under the building & decoration materials industry.  We integrate R&D,  production and global sales of plastic pipeline systems for water treatment,  chemical transportation,  irrigation and construction drainage projects.

Manufacturing, processing and sales of metal tools, metal accessories for building furniture, stainless steel instrument and meter accessories, pipeline accessories.

Dalian Dinglian Hardware Products Co., Ltd. is a specialized manufacturer of ASTM/ASME standard threaded pipe nipples and related pipe products. With extensive experience in machining carbon steel and stainless steel materials, we supply reliable piping solutions to customers in the industrial, plumbing, fire protection, oil & gas, and mechanical sectors.

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.

Since its establishment in 2017, Wenzhou Huayu Valve Co., Ltd. Has been committed to becoming a professional manufacturer in the field of high-quality and high-precision fluid equipment. The company's core products cover various types of valves such as butterfly valves, check valves, and ball valves. With their outstanding sealing performance, corrosion resistance, and long service life, these products have been widely applied in fields with extremely high requirements for hygiene and precision, including biopharmaceuticals, juice beverages, meat processing, health products, daily chemical products, and fine chemicals industries. It has become an indispensable key component in the production processes of many enterprises.

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.

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.

Kaigao Valve Co., Ltd. is a professional valve manufacturer dedicated to the production and R&D of valves. Our goal is to solve application problems for users in various industries and provide comprehensive system solutions for all types of end-users. The company is located in Kaigao Industrial Park, Huojia County Industrial Agglomeration Area, Xinxiang City, Henan Province, covering an area of 63, 333 square meters (95 mu), including 35, 000 square meters of workshop construction area. It has been more than 30 years since the company was founded.

JoNeng valves company was started in 2007. Located in the stainless steel industry zone, Wenzhou, China.

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.

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.

 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.

Wenzhou Minghe Stainless Steel Products Co., Ltd. is a modern enterprise that integrates production, sales, and service. It specializes in the production of finished sanitary valves and fittings, sanitary elbows, tees, reducers, quick couplings, unions, clamp components, sanitary ball valves, butterfly valves, check valves, diaphragm valves, sanitary filters, sanitary stainless steel pipes, and other products made of 304/316/316L materials. The connection methods are divided into threaded, welded, clamp, and flange types. The variety is complete, with specifications ranging from 12.7-203 caliber, high mesh mirror finish, stable quality, and high-precision sanitary stainless steel fluid equipment, pumps, valves, fittings, etc. The standards include ISO national standards, American standards, German standards, and other standards. The standard can process and manufacture non-standard products according to the user's drawing requirements. With the joint efforts of our scientific research personnel, our company has introduced advanced CNC machine tools and processing testing equipment, specializing in the production of sanitary grade stainless steel fluid equipment, valves, and pipeline connection products. All products can be manufactured according to different high mesh smoothness, materials, hygiene and standards (such as ISO, DIN, SMS, 3A). The product is widely used in the fields of food, pharmaceuticals, dairy products, beer, beverages, and fine chemicals. For a long time, it has been exported to Europe, America, and Southeast Asia with its reasonable structure and cost-effectiveness. It has excellent quality, reliable quality, and promises three guarantees, and is deeply trusted and supported by customers.