1, Tangshan sanyou industrial co., ltd. printing house, located on the west side of the first kindergarten in Tangshan Nanbao economic development zone.
2. Tangshan Soda Factory is located in Nanyuan Road, Nanbao Development Zone, Tangshan City.
3. Miao Xin Refrigeration Factory is located in Fengnan Road, Nanbao Development Zone, Tangshan City.