... superior quality About the Products: Descriptioncarbon steel pipe,seamless steel pipe,steel pipe StandardGB5310-95,GB8087-1999,GB8162, ... : Company NameTianjin Fengtai Huixin Steel Trading Co.,LtdIntroductionOur company specializing in selling stainless steel products. alloy pipes, petroleum ... drill pipes, line pipes, square tubes, and ASTMA53 steel pipes are widely exported to Korea, Pakistan, Russia, ...