The registration address of dong jing city's cheong mechanics ltd. Is located in room 101, river street, river street, east chang city, guangdong province, with the registration authority of the eastern chang city market supervision authority, represented by a legal person, and covers general projects: manufacture of general-purpose equipment (excluding special-purpose equipment); sale of mechanical equipment; sale of mechanical parts, spare parts; sale of industrial controlled computers and systems; development of mechanical equipment; manufacture of general-purpose spare parts; repair of general-purpose equipment; repair of specialized equipment; manufacture of specialized equipment (excluding licensed specialized equipment); manufacture of laboratory analytical instruments; manufacture of plastics; manufacturing of industrial control computers and systems; processing of mechanical parts, parts and components; rental of machinery equipment; software development; development of network and information security software; development of artificial smart applications; integration of intelligent control systems; technical services, technology development, technical advice, technology exchange, technology transfer, technical promotion; import and export of goods; and export of technology. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)