seamless steel tube API 5L

　　Our company has more than 1000 employees, the area is 135000 square meters. Owning 8 large standard workshop, one set 180mm seamless puncher, which could manufacture various kinds of diameter and wall thickness from 219mm—914mm.The devices are the largest seamless and the hot-rolled machine in cangzhou city. In addition, we possess 11 sets of hot-expanded e The annual production capacity reaches 200000T, the of export is 80000T per year. Our company is generally accepted by huge projects and trade companies. So we are the first choice for the steel pipe customers.??? In order to improve the efficiency and provide convenience for clients,we set up four branches in China which including Shijiazhuang International Sales Company, Guangdong Sunshi Seamless Steel Pipe Co,Ltd,Tianjin Jinqing Steel Trading Company,Guangxi Nanning International Sales Company . Since 2011,Zhonghai Steel Pipe Group laboratory has been widely opened which currently introduced the most advanced e and instrument. It is the good partner and offer the best service for the international third party inspection agencies such as BV, SGS, Llod, Moody etc. We have obtained the certificates of API 5L ,CE,ISO9001-2000,ISO14000 ,ISO18000,CCS etc.