Trademark registration of the governing unit of the Hardware and Electrical and Mechanical Chamber of Commerce, trademark registration inspection report, two-wing automatic revolving door inspection report, copy of business license, tax registration certificate 9001 certification (Chinese version), 9001 certification (English version), Organization code inspection report, cover three-wing automatic revolving door appearance design patent certificate, two-wing automatic revolving door appearance design patent certificate, the most valuable brand recommended products of the top ten companies in the industry, a contract-abiding and trustworthy unit
Qualifications are necessary certification documents for enterprises, institutions and civil society organizations to engage in related activities.