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; developmen...