The registration authority is the administrative approval board of liang creek district in nishi city, represented by a legal person, and includes the development, design and sale of mechanical parts and components; the sale, installation, maintenance, technological development, technical services, technology transfer, engineering survey services; specialized equipment, general purpose machinery and accessories, hardware products, the development, sale, lease (other than financing leases) of computers, software and assistive equipment. (projects subject to legal approval may not operate without the approval of the relevant department)