The registered address of mangang mangang temper materials ltd. Is located in the village of shigang, guangcheng township, hong kong city, hebei province, with the registration authority being the grand city market supervision authority of yanang city, with legal representation and general projects: manufacture of insulation and insulation materials; sale of insulation and soundproofing materials; sale of engineering plastics and synthetic resins; manufacture of plastics; sale of plastics; production of fireproof sealing materials; sale of fireproofing materials; manufacture of asbestos products; sale of heating materials; sale of building materials; manufacture of light building materials; sale of biological base materials; sale of synthetic materials; manufacture of technical glass products; sale of technical glass products; manufacture of cement products; sale of cement products; sale of paints (without dangerous chemicals); sale of chemical products (without licensed chemical pr...