The registration address of shenzhen gold industries and technology ltd. Is in the ronghua street, yonghua district, shenzhen city, under the umbrella of the chang yong lu zhui science and technology park no. 2. The registration authority is the longhua superintendence of the shenzhen market supervisory authority, represented by the legal person liu yucheng, which operates in the area of electronics, electricity, electrical equipment, welding equipment, industrial automation equipment, industrial automated software control systems, building machinery equipment, general hardware hardware products and so on, technology transfer, marketing and domestic trade. Instruments repair; mechanical equipment development; metal cutting and welding equipment manufacturing; metal cutting and welding equipment sales; distribution switch control equipment sales; distribution switch control equipment development; engineering management services; sale of advanced electrical and electronic devices; sale of electrical and electronic appliances; engineering and technological research and experimental development; technical services, technology development, technology exchange, technology transfer, technology diffusion; outsourced engineering; metal materials sales; distribution of electronic metaware items; retailing of electronics devices; software development; sale of equipment for industrial automated control systems; sale of computers and systems for industrial control; network and information security software development; software sales; information technology consultancy services; rental of mechanical equipment; rental of housing. (in addition to projects subject to authorization under the law, operating activities are carried out on an autonomous basis in accordance with the law, in accordance with the operating licence) • production of equipment such as electronics, electricity, electrical equipment, welding equipment, industrial automation equipment, industrial automation software control systems, construction machinery equipment, general hardware and machinery products. (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)