The registration address is 1,000 metres west of the village of qingzhou, qingzhou, qingzhou city, hebei province. The registration authority is the market supervision authority of qingzhou, represented by the legal person yujin tung, and covers the development, processing and manufacture of equipment for environmental clean-up, waste gas treatment equipment, aircraft containers, cabinets, gold, electrical and electrical equipment and accessories; and the assembly of aircraft in boxes, cabinets (without spraying and surface chemical handling of metals) (projects subject to legal authorization and subject to the approval of the relevant authorities)