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    About YDIC Business Scope
    Serial number Certificate name Certificate level Certificate number Issuing authority Acquisition time
    1 Engineering consulting unit credit certificate First class A 302021011295 China Engineering Consulting Association 20220121
    2 Engineering consulting unit B grade credit certificate B grade 91530000431200805D-21ZYY21 Yunnan Engineering Consulting Association 20211209
    3 Engineering design qualification certificate First class A153007905 Ministry of Housing and Urban-Rural Development, People's Republic of China 20200403
    4 Engineering design qualification certificate B grade A253007902 Department of Housing and Urban-Rural Development of Yunnan Province 20200506
    5 Special Equipment Production License (Pressure vessel) TS1210111-2024 State Administration for Market Regulation 20201116
    6 Special Equipment Production License (Pressure Pipe) TS1810009-2025 State Administration for Market Regulation 20210805
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