Qiaoru Industrial Technology has certified “API 5L ,BV ,CE ,ISO.It’s a famous manufacturer of seamless steel pipe, erw steel pipe, lsaw steel pipe, ssaw steel pipe, structural sections,pipe fittings, our material including carbon steel pipe, stainless steel pipe and OCTG etc.We can also produce pipes according to client’s requirements and drawings. We have a lot of patents and rich experience to support high quality products.