The registered address of tianjin gertez testing equipment technology development ltd is located at the 101st plant, building no. 10, no. 27, zhang jiakou town, west zhangqing city, with the registration authority being the market supervision authority of the western qingang district, tianjin city, represented by the legal person cai zhi hung, and includes equipment for the detection of machinery, industrial appliances, instrumentation instruments, technical development, transfer, lease of equipment for detection of equipment for detection equipment, detection equipment for detection of detection equipment for detection equipment for detection of detection equipment for detection equipment, industrial appliances, equipment for detection equipment for detection equipment for detection equipment for detection of detection equipment for detection equipment for detection equipment for detection equipment for detection equipment of equipment for detection equipment for detection equipment for detection equipment of equipment for detection equipment for detection equipment, pressure exchange test machines, pressure-cycle test machines, pulse exhaust test machines, high-voltage test table, grinding valve, motor test platform, oil cylinders, hydraulic lift counter, non-plainted hydraulic system equipment, equipment for detection systems for detection, leaking equipment for detection systems, equipment for detection systems for detection of gas, equipment for (projects subject to legal approval may not operate without the approval of the relevant department)