Changchun Special Equipment Inspection and Research Institute was established on 20 18, located in Changchun City, Jilin Province. It is a legal institution approved by the General Administration of Quality and Technical Supervision, Inspection and Quarantine to engage in the inspection and testing of special equipment, mainly engaged in the identification and testing of elevator charges.
2. Jilin Haoda Elevator Inspection Co., Ltd., established on 20 15, located in Changchun City, Jilin Province, is an enterprise mainly engaged in elevator safety appraisal, installation cost inspection and other professional technical services.