The registration address of the sioux semiconductor technology (suzhou) ltd. Is 556 ek on quanshan city zhou qian-nang road, with the registration authority of the quinshan city data authority, with legal representation, and covers laboratory equipment, air purification equipment, water treatment equipment, environmental protection equipment, ventilation equipment, mechanical equipment, electrical equipment, intelligent equipment and accessories, and door-to-door installation and maintenance; environmental engineering; air purification works; mechanical and electrical engineering works; plumbing works; design and construction of interior and exterior decoration works; sale of furniture, construction materials, chemical products (other than hazardous chemicals, toxic chemicals and controlled chemicals), metal products; import and export of goods and technology. (a) general projects (subject to legal authorization and prior to authorization by the relevant authorities): research and development of mechanical equipment; manufacture of mechanical and electrical equipment; processing of mechanical parts, parts and components; manufacture of plastics; sale of plastics; manufacture of specialized equipment for semiconductor equipment; sale of specialized equipment for semiconductor equipment; development of new materials; manufacture of experimental analytical equipment; sale of experimental analytical equipment; technical services, technical development, technical advice, exchange of technology, transfer of technology, diffusion of technology (run autonomously under a licence of operation except for legally approved projects)