The registered address of tin-based membrane architectural engineering ltd. Is located at 798-427-41 mid-mountain road, liangxiang district, nishi city, with the registration authority being liangxiang district data office, with legal representation, and includes licensed projects: construction works; sub-contracts for construction services; general works for construction (projects subject to legal authorization and subject to the approval of the relevant department): engineering management services; construction of sports site facilities; construction of landscaping works; sale of metal spares for construction; sale of water-proofing material; sale of construction materials; sale of architectural and decorating materials (acting on an autonomous basis, with the exception of projects subject to legal authorization)