The registration address of shandong sein keyin mill materials, ltd., is located on the 2nd floor of building 1, 2nd floor, 3rd floor, 3nd floor, north-east tsien street, 3777 tsien street, texas, shandong province. The registration authority is the market supervision authority of the texas district of texas, represented by a legal person, liu zhenxia. The scope of operations includes licensed projects: mining of mineral resources from non-coal mines; subcontracting of construction services; and construction works. General projects (for which approval is required by law, subject to approval by the relevant department) (for which the production of fire-resistant materials; sale of non-ferrous metal alloys; sale of sealed fillings; sale of fire-resistant materials; sale of special ceramics; sale of high-quality synthetic rubber; manufacture of plastics; sale of plastics; manufacture of special ceramics; sale of metal-based composites and ceramics; sale of building ceramics; development of new materials; sale of building materials; wholesale distribution of pentagrams; retailing of pentagram products; development of pentagram products; sale of engineering plastics and synthetic resins; sale of synthetic materials (without dangerous chemicals); manufacture of rubber products; sale of rubber products; sale of import and export agents; sale of temperature materials; sale of sanitary ceramics; sale of ceramics on a daily basis; sale of glass fibres and products; sale of high-quality special steel materials; sale of high-capacity sealed materials; sale of chemical products (without licence); sale of insulation and sounding materials; sale of new metal functional materials; promotion of plastics; and sale of plastics in addition to legal licences; and sale of high-quality