Pressure Vessel Design License for A2 grade
China Quality Supervision Inspection & Quarantine General Bureau  (No.:TS1210436-2012)

A2 grade the third kind low and middle pressure vessel、B2 grade welded gas cylinder、B3 grade Non-fillable cylinder（including burst dist）、C3 grade storage container manufacturing license：
China quality supervision inspection & quarantine general bureau (No.: TS2210085-2010)  

GB1 gas-fired pipeline , GB2 thermodynamic pipeline, GC2 industry pipeline fixing license
China Quality Supervision Inspection & Quarantine General Bureau (No.: TS3833088-2011)

Welded cylinder inspection license: China Quality Supervision Inspection & Quarantine General Bureau (No.: TS7433027-2008)

Non-refillable cylinder certificate for DOT and EC

EC certificate for 12L refillable cylinder

The right to import and export