The registration address of chengdu cow business and trades ltd. Is located at the 128th floor of the zhuang township road no. 128, located in chengdu township, sichuan province, with the registration authority liu qiang as the market supervisory authority; the scope of operations includes general items: sale of construction materials; sale of construction and decoration materials; sale of metal materials; wholesale distribution of hardware products; retail sale of hardware products; sale of construction and water-proofing products; sale of heating materials; sale of insulation and soundproofing materials; cable operation; sale of doors and windows; sale of paints (without dangerous chemicals); sale of plastic products; sale of sanitary appliances; sale of automatic machines (excluding medicines and medical devices); sale of specialized equipment for commerce, catering and services; sale of type i medical equipment; sale of medical equipment; sale of internet equipment; sale of information security equipment; sale of electronic products; rental of machinery; development of artificial intelligence applications; development of network and information security software; development of software; development of digital creative software software; distribution of food products; sale of internet sales services; distribution of digital advertising services; distribution of digital advertising services for digital licensing projects (in addition to those subject to legal authorization, operating on an autonomous basis under a licence): sale of food; retailing of tobacco products; retailing of electronic tobacco; broadcasting and television production; film distribution; internet live broadcasting technical services; radio and television transmission; internet news and information services. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)