1. business license;
2. product implementation standards (national standards, industry standards, local standards or enterprise standards);
3. national or provincial type inspection reports;
4. product identification (scientific and technological achievements appraisal, technology assessment) certificate;
5. Other special certificates or reports (production license, manufacturing license, health license, 3C certification, type approval certificate, type approval certificate, measurement and calibration certificate, health performance inspection report, system weathering report, etc.);
6. Product manuals, construction methods, inspection or acceptance methods;
7. Credit information (district municipalities above) People's Government, industry authorities or industry associations to give recognition and awards, evaluation and certification, invention patents and other certificates);
8. Integrity in business commitment (format attached).