Place of Origin : Shijiahzuang,China

We produce cap with good quality and competitive price. And the size is 1/2"-72",the material is Carbon steel, alloy steel and stainless steel.We can produce according to materials appointed by consumers.; Wall thickness is Sch5-Sch160 XXS. And the standard is ANSI, ASME API5L, OCT, DIN and JIS, etc.we can also produce according to drawing and standards provided by customers. All the production process are made under the ISO9001:2000 strictly.