Tianjin Jinggong Metal Products Co.,Ltd. is a high-tech enterprise integrating product design, production, sales and technical service. Company is mainly engaged in produce Oil Country Tubular Goods (OCTG), coupling, pup joint, coupling stock (1st class agency of BAOTOU STEEL, TPCO, HYST and BAOSTEEL), coupling blank and Oil filed service. Company has been certified to ISO9001, ISO14001 and API 5CT and owns complete inspection and test methods and security system. Head office located in Tianjin (In North China' s Largest Port City), where there is the biggest steel production base, which would be very convenient for you to fulfill purchasing task.