What are the wholly state-owned enterprises in Kaiping District of Tangshan?

The wholly-owned state-owned enterprises in Kaiping District of Tangshan include Tangshan Iron and Steel Group High Strength Automobile Plate Co., Ltd., Hebei Datang International Tangshan Beijiao Thermal Power Co., Ltd. and Sumitomo Construction Machinery (Tangshan) Co., Ltd. ... Tangshan Iron and Steel Group High Strength Automobile Plate Co., Ltd. is mainly engaged in manufacturing and selling cold-rolled plates, coated plates, electrical steel belts, automobile bodies and their parts. Hebei Datang International Tangshan Beijiao Thermal Power Co., Ltd. is mainly engaged in the production and sales of thermal power. Electric power technical consultation and service. Power production by-products (desulfurization gypsum, fly ash, ash) wholesale and retail. Sumitomo Construction Machinery (Tangshan) Co., Ltd. is mainly engaged in the development, production and related services of construction machinery and parts such as hydraulic excavators and asphalt pavers, and sells its own products.