ianjin Huilitong Steel Tube Co., Ltd. is a professional manufacturer of ERW steel pipes, SSAW steel pipes and square steel pipes. Established in 2003, our company has a registered capital of 36 million RMB and covers an area of 74,000 square meters. Our annual production capability is 150,000 metric tons. We have the most advanced ERW production lines. Our ERW steel pipes vary from 88.9mm (3-1/2 inches) to 457mm (18 inches) SSAW steel pipes vary from 219mm to 2020mm. our products are strictly conducted according to GB/T 3091-2001, GB/T 9711.1-1997, ASTM A53, API5L, 5CT and other equivalent standards. Our products are widely used for the transmission of petroleum and natural and coal gas. They can also be used for building construction, water conveying, steel structure, shipbuilding and other related industries. Our factory is only 50km away from Xingang Port. We enjoy convenient sea transportation. Our products are exported to West Europe, East Europe, Southeast Asia and In