Wenzhou Chengyuan Import and Export Co., Ltd. is a manufacturer and trading company based in Wenzhou, China, specializing in the R&D, technology, manufacturing, and sales of stainless steel, carbon steel, alloy, and dual-phase steel products. Established in 2022, the company employs 11 to 50 people and operates a factory equipped with new finishing and testing equipment. They primarily focus on industrial components, including a wide range of flanges (plate, neck, neck butt welding, socket welding, blind plate), pipe fittings such as elbows, tees, size heads, caps/heads, and mini ball valves. Their products adhere to international standards including GB, Shj, HGQ, ANSI, JIS, DIN, ISO, GOST, and API, and the company is certified with ISO 9001. Wenzhou Chengyuan Import and Export Co., Ltd. is actively engaged in international trade, with significant export activities to markets like Vietnam and Russia, handling products such as seamless stainless steel pipes (304 and 316L grades) for oil transmission, stainless steel thread heads, and corrosion-resistant steel elbows. They also act as a supplier for products manufactured by WENZHOU SHENLAN VALVE CO., LDT.
Zhejiang Chengyuan Flange Fittings Co., Ltd., established in 2017 and based in Wenzhou, China, is a high-tech manufacturer and trading company specializing in the research, development, manufacturing, and sales of a wide range of flange and valve products. With 11 to 50 employees, the company operates a factory equipped with advanced finishing and inspection equipment, offering both ODM and OEM services. Their product portfolio includes stainless steel, carbon steel, alloy, duplex steel, and nickel alloy flanges, valves, and pipe fittings. Key products encompass various types of flanges (plate flat welding, butt welding, socket welding, integral pipe, and flange covers) and valves (mini ball valves, tubular ball valves, chip ball valves, flange ball valves, three-way ball valves, gate valves, globe valves, strainers, check valves, pneumatic operated valves, and electric operated valves). Zhejiang Chengyuan Flange Fittings Co., Ltd. adheres to international standards such as GB, shj, hgq, ANSI, JIS, DIN, ISO, GOST, and API, and is certified with ISO 9001. Their products are widely utilized across industries including paper-making, shipbuilding, petroleum, chemical, electric power, bio-engineering, natural gas, and food. The company has a strong international presence, exporting to markets in the Netherlands, Ukraine, Russia, Indonesia, Finland, Vietnam, Korea, Japan, Singapore, Spain, Malaysia, and the Middle East.