1. Tianjin Aerospace Daxing Vacuum Equipment Manufacturing Co., Ltd.: Located at No.32 Baofa Road, Tianbao Industrial Park, Baodi District, it is a general equipment manufacturing enterprise.
2. Tianjin Hehai Pipe Industry Co., Ltd.: Located in the east of Jinwei Road (Guotai Road, Development Zone), Chaoyang Street, Baodi District, it belongs to nonmetallic mineral products industry.
3. Huacheng Yuan Bo Steel Structure Co., Ltd.: Located at No.8 No.4 Road, Xin 'an Town Industrial Park, Baodi District, it belongs to the metal products industry.