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Qualification

Enterprise Qualifications Certificates issued by
Class A Engineering Design Certificate for Chemical,Petrochemical, Pharmaceutical, Architecture & Building(Construction Engineering), Textile (Synthetic Fiber MaterialsEngineering, Synthetic Fiber Engineering) Industries
A143000784 Ministry of housing and urban-rural development of PRC 
Class B Engineering Design Certificate for Petroleum and Natural Gas (Offshore Oil) Industry (Pipeline Transport, Gas field), Municipal Public Utility Industry (City Gas Engineering),Environmental Engineering(Water Pollution Prevention)

A243000781
Department of Housing and urban-rural Development of
Hunan Province

Design License of Special Equipment for A1, A2, A3 Categories (Pressure Vessel)

TS1210151-2023 State Administration for Market Regulation
Design License of Special Equipment for GA1 (1),GA2,GB1,GB2,GC1 (1)(2)(3),GC2,GC3,GD1,GD2 Categories (Pressure Piping)

TS1810278-2020 General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China