Quality management system certification within the specified scope.

Environmental management system certification within the specified scope.

Occupational health and safety management system certification.

Quality management system certification under China's GJB 9001C-2017 standard.

Assessment of HUAYI's management system for integrating information technology with industrial operations.

Chinese utility model patent for an integrated gas supply equipment design supporting LNG and CNG applications.

Chinese utility model patent relating to a storage box designed for gas equipment.

Chinese utility model patent for gas-fired vaporization equipment designed for easy assembly and disassembly.