Our company, Xinyuan Group-Shandong Xinyuan Steel Tube Manufacturing Co., Ltd is an ISO&API certified steel pipe/tube and fittings manufacturer in China. Our company established from 1993, covering an area of 340, 000 square meters and has more than 200 employees, including 80 technical professionals. And has the ability to produce 350, 000 tons pipes/tubes and fittings annually. Our products contains steel pipe/tube (seamless, welded, spiral), pipe fitting (elbow, reducer, Tee, flange) in ASTM, ASME, ANSI, JS, DIN, GB, BS. Sizes are from 1/2"- 88". Materials are carbon steel, stainless steel. Our company has special advantage in seamless carbon steel pipe producing and pricing. We are “Top 10 Seamless Steel Pipe Brand of China” company.