Hebei Zhengman Insulation Materials Co., Ltd.

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General items: sales of thermal insulation materials; sales of building materials; sales of building decoration materials; sales of waterproofing membrane products; retail of hardware products; sales of heat insulation and soundproofing materials; sales of fireproof sealing materials; sales of refractory materials; sales of anticorrosive materials; sales of coatings (excluding hazardous chemicals); sales of lightweight building materials; sales of engineering plastics and synthetic resins; sales of synthetic materials; sales of sealing components; sales of chemical products (excluding licensed chemical products); sales of machinery and equipment; sales of rubber products; sales of optical glass; sales of sealing fillers; sales of bio-based materials; engineering management services; building cleaning services (except for projects that must be approved by law, business activities can be carried out independently according to the business license).