The registration address of hangzhou zhiang zhengzhou zhengzhou zhui xian xian xian xian xianxiang, located in room 502-11 (autonomous declaration) of the 1st 5th floor of fung tong road, zhejiang province, is the market supervision authority of hangzhou zheng zheng zheng zheng zhen, with legal representation and general scope of operation including: technical services, technology development, technical advice, technology exchange, technology transfer, technology extension; engineering technical services (except planning management, surveying, design, supervision); installation services for general mechanical equipment; sale of electric instrumentation instruments; electrical power lines, cable operations; sale of electronic components and electrical components; sale of specialized equipment for environmental protection; sale of plastics; sale of daily department goods; sale of chemical products (other than licensed chemical products); sale of pumps and vacuum equipment; sale of valves and cyclones; sale of metalware; sale of computer hardware and assistive equipment; retail sale of computer hardware and equipment (in united states) in addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence)。