Tianjin Huilitong Steel Tube Co., Ltd. is a professional manufacturer of ERW steel pipes, SSAW steel pipes and Square/Rectangular steel pipes. Tianjin Longshenghua Import and Export Trade Co., Ltd. is the exporting company of Tianjin Huilitong Steel Tube Co., Ltd. Our factory has a registered capital of 100 million RMB and covers an area of 100,000 square meters. The annual production capability is 300,000 metric tons.