SHENGSENYUAN is a major manufacturer of industrial flange, based in China. We offer various types of products such as JIS standard flange, API 5L steel pipe, ASME pipe fittings and so on. Our products are high quality and competitively priced. Our full chain of manufacturing galvanized steel pipe, pipe reducer can be completed in China, even in one city. Our lower manufacturing cost can save your purchasing cost. A more detailed description of our product is shown on the page.