General business projects are: Electronic products, digital products technology research and development and sales; Sales, leasing and maintenance of electronic equipment; Sales of mobile phone accessories; Sales of digital communications products; Engaged in business activities on the Internet (excluding restricted items); Software research and development, sales, technical services; Internal trade; Import and export business (except the items prohibited by the above laws, administrative regulations and decisions of The State Council, and the restricted items can be operated only after obtaining permission), the approved items are