[keywords: hot-rolled steel pipe release date: 2017-11-11 10:33:25] The standard of hot-rolled steel pipe: This product is based on API Spec 5L Oil Natural gas scale, API Spec 5CT oil casing specification, gb/t8163-1999 for conveying fluid.
1.We manufacture ST52 steel pipes
1.Our company is specialized in manufacturing ST52 seamless steel pipe.
we have gained ISO9001:2008 API,KR quality certification to ensure the best quality of our products
It is my honor to take this chance to introduce ourselves as one of the biggest manufacturer about the steel pipefrom china again to u.
ST52 seamless steel pipe