double elbow1,000+ factories verified

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.

Zhejiang Solerad Environment Technology Co., Ltd since 1998, after more than 30 years of development, we become one of the biggest producers of pipes and fittings in China. Our core business includes:

Hangzhou Jiuyang Plastic Pipe Industry Co., Ltd. Was established in 2004 and is a company specializing in the production and sales of HDPE water supply pipes and fittings.

Huasheng Pipeline Technology Co., Ltd. Was established in 1988 and is located in the High-Tech Industrial Development Zone of Changzhou, Jiangsu Province, China. It specializes in the research and development, production, and manufacturing of plastic pipeline products, providing professional industrial pipeline system solutions to customers.

Yueqing BAIJIN Electronics Co., Ltd. Was established in 2007, we were professional and Specialized in electronic products and OEM for some of local and oversea group companies and trading companies. From 2010, we started specializing in Automotive parts products according to NFC, IEC, EN UL standard. BAIJIN also achieved ISO9001 Quality Management and other certificates and reports.

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

Established In 2001, Aquafitting Is A Leader Company In the Manufacturing Of ductile iron products like Universal Couplings, Flange Adaptors, Saddles, Gate Valves, Butterfly Valves Commonly Used In Clean And Sewage Water Applications, In Natural Gas And Industrial Processes. With certificate like WRAS, ACS, CE.

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.

WEIFANG TOP WATER INDUSTRIAL Co., Ltd is one of professional and experienced manufacture in Shandong province, China. We provide a wide range of pipeline system products for portable water, sewage water plant industry, gas, building, energy applications. Our products are manufactured as per standards ISO2531, EN545, EN598, EN12842, EN14525, AWWA C110/153, BS4504, ISO7005, DIN3352, BS5163, BS5153, EN124 and so on. Our products have been exported to more than 100 countries and obtained a good reputations.

Changsha Tonrin Concrete Machinery Co., Ltd. Was established in 2016 and is headquartered in Changsha, China-widely recognized as the "Capital of Construction Machinery. " As a comprehensive enterprise integrating parts manufacturing, sales, and service, we specialize in concrete pump truck components, used equipment trading, and full lifecycle services. Our mission is to provide global clients with cost-effective and highly reliable construction machinery solutions.

SWD PLASTIC (Ningbo Salvador Piping System Co., Ltd) is a leading professional manufacturer and exporter of UPVC, CPVC, PPH, PVDF pipes, valves, and fittings in China. We stick to the principle of " Quality First, Service First, Continuous Improvement and Innovation to Meet the Customers", and the quality management objective of " Zero Defect, Zero Complaints".

Wenzhou Huiyi Valve Co., Ltd is a leading manufacturer who specialized in pipe fittings, valves and metal products for over 20 years, our company is located in China Valve Town-Wenzhou City, China. We have two factories, standardized production base, advanced producing equipment, modern management, standardized quality control system, relying on the purpose of "quality is the core competitiveness", which make HUIYI VALVE products win good reputation in international market.

Zhenjiang Yinghang Trading & Service Co., Ltd. is a professional trading enterprise focusing on the petrochemical supporting field. It specializes in the supply and service of gas station pipe fittings, pipelines and petroleum equipment, and is committed to providing high-quality equipment solutions for customers in the petroleum retail, chemical storage and other industries.

Liaocheng Yiheng Machinery Co., Ltd. Was founded in 2015. We are a professional enterprise engaged in producing and exporting concrete hose and concrete pump spare parts. Yiheng is located in Zhangluji Town, Dongchangfu District, Liaocheng City, Shandong Province, China. Our manufacture covers an area of more than 20000m3 , has fixed assets of over 8 million yuan. And currently we have 86 employees, including 36 professional technicians with college education. Within years of development and growth, Yiheng has become a large joint venture integrating research, design, production, and sales.

Changzhou Xita Plastic Co., Ltd is a professional supplier of UPVC/CPVC/PE/PPR Pipes, pipe fittings, valves. Plastic piping systems such as pipes, fittings and valves is widely used in water supply, chemical industry, water treatment, environmental protection, pharmaceutical area etc.

Established in 2000, NAI-LOK has made a name of itself in the list of top suppliers of in China. We focus on the production, research and development, sales of instrumentation valves and alloy valves. We have more than 20 years of precision valve manufacturing and 10 years of export experience.

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.

Ningbo Standard Plumbing Co. Ltd was extablished in 2007. It covers an area of 4000 square meters and employs around 70 employees. It is a leading company specializing in developing, manufacturing and exporting of advanced piping systems including overlap PEX-AL-PEX multilayer pipes, brass compression fitting, press fitting, thread fitting, gas fitting and other products.

Zhejiang ruituo automation Co., Ltd. Specializes in producing quick disconnect couplings of plastic pneumatic components, quick straight couplings of moulds, adjustable couplings of pneumatic components, dust blower and pneumatic tools direction control valve(solenoid, air-pilot, handle, pedal, mechanical), air conditioning unit(filter, regulator, lubricator)and pneumatic cylinder, etc. Products are applied very extensively, such as packing machinery, food machinery, printing machinery, textile machinery, purifying water and water treatment trade, automobile industry, mould industry and household use etc.

Wudi Xinxiangju Metal Technology is located in Wudi county, Shandong province and establish in 2005 year. We are a professional metal product casting, CNC machining export-oriented enterprises. Factory floor space is more than 20000m2 and fixed assets twenty million RMB. We passed ISO-9001, IATF-16949 and CE quality management system certification. We have advanced Spectral material detector and other spectral detector, silica sol precision casting production line and CNC machining processing production line. We have strong technical force, strong design and research and development ability, rich production experience. We have more than 120 staffs including more than 50 professional technical personnel and responsible to company's production and quality control working.

WENZHOU LONGVA MACHINE Co., Ltd (Original Name: Wenzhou Longva Light industry Machinery Co., Ltd), (Longva Group., Co., Ltd) started in 2006 and founded in 2010. It located in wenzhou, Zhejiang, China. It's five minutes by car from air port. Is a collection of research and development, production, sales, export in one of the comprehensive enterprise. The company has a full set of production and testing equipment, a group of high-quality professional and technical personnel and engineers, has passed ISO9001-2015, CE, SGS, IAF, ECM, ANAB, CNS certification. Our products are widely used in biopharmaceutical, food, beer, beverage, water purification, cosmetics, semiconductor, chemical, oil and other fields.

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

Shijiazhuang ShengShichang Trading Co., Ltd. Was established on March 29, 2018, located in Chang 'an District, Shijiazhuang City, Hebei Province. The company is a foreign trade business company of China's strength pipe manufacturer Jinghua Plastic Industry, committed to providing domestic and foreign customers with healthy, environmentally friendly and reliable pipe products.

Founded in July, 2014, Ningbo Fenghua GO GO Automatic company is a high-tech enterprise with all vitality, potential and comprehensive strength. The company is located in the Zhejiang Ningbo Science &Technology zone, a unique place with beautiful scenery and gifts of nature...

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.

TIANYI SUNS PIPE&FITTINGS Co., Ltd. is one of the main suppliers in China manufacturing and supplying of advanced pipe systems and solutions, connecting people with water and energy. We provide a broad range of pipeline system products for infrastructure, building, irrigation, industry, gas and energy applications. We are completely committed to international quality standards and are certified to ISO 9001 (Quality Management) and relevant products certifcates. Our products are manufactured based on standards ISO2531, EN545, EN598, EN14525, EN12842, BS4504, ISO7005, AWWA C219, DIN3352, BS5163, BS5153, AWWA C509, EN124 and so on.

Xiangtan Huaxing Material Co., Ltd, started business since 1991, and was formally established as a registered company in 2002.

NINGBO RONGPENG INTERNATIONAL TRADING Co., Ltd (OCEASTAR INDUSTRIAL LIMITED), which was established in the year 2008, is a leading manufacturer and exporter of high quality products, which covers the business scope of Building materials, Agriculture irrigation, and water treatment in China. Our products includes Plastic Valves, plastic pressure fittings, PVC Lay Flat hoses, Inlay drip tape, irrigational sprinklers and other products regarding the mentioned areas.

Deyi valves is a leading supplier and research for stainless steel sanitary valves and pipe fittings.

Hebei Tiening Trading Co., Ltd. is located in Shijiazhuang City, Hebei Province, China. The transportation is very convenient. Our company covers about 1200 centiare, more than 20 employees and technicians. It was established in 2015, has 10-years foreign trade export experiences in China. It has a wealth of industry experience and contacts.