Zhejiang Dirun Steel Industry Co., Ltd. is a professional manufacturer of flanges and pipeline fittings. The company is located in Longwan, Wenzhou, only 5 kilometers away from the airport, port, and highway entrance, and 15 kilometers away from the railway station. It has a superior geographical location and convenient transportation. 

Dirun has an excellent production team, using advanced flange pipe production equipment, applying international advanced production technology, and focusing on intelligent manufacturing of high-quality steel flange pipe fittings. Our company mainly produces stainless steel materials such as 304/304L, 304H, 316/316L, 316H, 316T1, 317L, 21/121H, 347H, 904L, S31254, etc. Steel flanges and various elbows, tees, reducers, and flanges made of super duplex stainless steel S31803/S32205, 832750/2507, 832760, as well as special alloys AoyN04400, N06600, N06625, N08800, N08810, N08825, N10276, etc. 

Our company can produce according to national standards, Ministry of Chemical Industry standards, Japanese JIS standards, German DIN standards, European EN1092 standards, and Russian GOST standards. We can also customize various non-standard products according to customer requirements. Dirun places great emphasis on product quality management. We follow up on every step of the production process for every order to ensure early detection and resolution of issues. Our confidence comes from every high-quality product we produce. Our company exports a large number of products to countries such as the United States, Japan, the European Union, and Southeast Asia. Our products are widely used in industries such as shipbuilding, construction, machinery manufacturing, food production, and petroleum. Dirun's development and success are inseparable from the support and recognition of its customers.