Shandong Sino Steel(Pipe) Co.,Ltd, founded in 2006, with a total investment of RMB 370 million and existing staff of 280 people, now has covered area of over 260,951 square meters totally, with construction area of 50,000 square meters. Among them, Phase I factory is located in Qingdao Development Zone, Shandong province, China. Offering with customized seamless steel pipe free sample and pricelist consultation, it is one of the best seamless steel pipe manufacturers, welcome to wholesale discount spiral welded steel pipe, welded steel pipe, galvanized steel pipe, galvanized steel pipe in stock form our factory.