General projects with no registered address of tin house engineering ltd. Located in yachun road no. 3 of the town of huishan city, nishi city, with registration as administrative approval authority of baqing feng city and with legal representation, including licensed projects: construction works; construction professional operations (projects subject to legal authorization and subject to the approval of the relevant authorities for the execution of their operations, depending on the outcome of the approval): import and export of technology; import of goods; services related to the operation of technology, information, construction of facilities, etc.; sale of metal materials; sale of construction materials; sale of chemical products (excluding licensed chemical products); sale of machinery equipment; distribution of five-dollar products; sale of electronic products; sale of light construction materials; sale of machinery, forestry, livestock, by-products and fishing machinery; sale of plastics; sale of machinery, parts and components; sale of metal structures; manufacture of sub-metallic structures; metal removal processing services; manufacture of machinery, parts and components; technical services, technical, technical, technical, technical, technology transfer, technical promotion (with the exception of legal licence, autonomous activities)