The registration address of china south testing technology ltd., guangdong province, is located in building 203, no. 2 no. 495 of the grand ridge hills in the town of daejongshan, dong jian city, guangdong province. The registration authority is the market supervision authority of dong jian city, represented by a legal person, zhou yi, and operates under a licence project: inspection and inspection services. (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)