The registration address of shenzhen locking industry (shenzhen) ltd. Is located in two 107 sub-districts on the street of snake mouths in shenzhen city, with the registration authority being the south mountain supervisory authority of shenzhen city market supervision authority, representing liu yang, operating in areas including the provision of door-opening, re-locking, lock-fixing, wholesale and retail distribution of locks, the development of locking devices and security technology, the sale of locking tools, car keys and accessories, the development and sale of hardware products, labour supplies, office furniture, intelligent management systems, electronic locking, door-ban management systems, domestic service, household maintenance of electrical appliances, plumbing of sewage pipes and door maintenance of safes, sale of automobiles (without small cars), articles for construction, handling and handling, domestic trade, import and export of goods and technology. Advisory planning services; professional cleaning, cleaning, disinfection services; termite control services; garden greening works; indoor air pollution management; sale of specialized equipment for environmental protection; environmental protection monitoring. (in addition to projects subject to legal authorization, activities are carried out autonomously in accordance with the law under a business licence); property management; sale of type ii medical equipment. (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)