(Casing) Hebei 10 billion oil pipe Manufacturing Co., Ltd. is a professional raw plant oil casing manufacturer, engaged in all kinds of API 5CT oil casing, API 5L oil pipe, oil casing to produce the implementation of standards: API 5CT, sets tube specifications include 60.3 --- 508 (detailed specifications see table), the oil casing steel grade J55, K55, N80, L-80, P-110, C-90, C-95, T-95 can processing of oil casing buckle type STC (short of round), LC (length of round), BC (partial ladder buckle) of VAM (partial ladder buckle) and other button type. Casing Sales Hotline 0317-5128533 Mobile: 13323270092 Fax :0317-6322267 Contact: Wang Yuehong URL: http://www.baiyipipe.com