Hollow Section Our History Tianjin Xing Xin Tong Metal Technology Co., Ltd. is a brand of Xing Jian Holding Group. The group is headquartered in Beijing, the registered capital reaches to 15.6 million dollars, Tianjin Xing Xin Tong Metal Technology Co., Ltd. is professionally serves for fire fighting, gas, water supply, drainage, building structure, agricultural facilities and other fields. The main products include ERW steel pipe, hot dipped Our Certificate ISO9001, ISO 14001, ISO 45001, AAA credit enterprise.Hollow Section website:http://www.xxtsteels.com/