The registration address of changsein seal materials ltd., grand city county, is located in the east windy, grand town county, with the registration authority being the grand town county market supervisory authority, and the legal entity is represented by wang hae-ling, which covers the manufacture of asbestos products. Sealed in fillings for sale (without hazardous chemicals), seals for sale, plastics for sale, asbestos products for sale, graphite and carbon products for sale, rubber products for sale; synthetic materials for sale (without hazardous chemicals), high-performance sealed materials for sale, temperature-conservation materials for sale, fire-container materials for sale; goods import and export. (projects subject to legal approval may not operate without the approval of the relevant department)