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• Production License of Special Equipment - Pressure Pipeline Components Manufacturing - Component Combination Devices - Gas Pressure Regulating Devices (valves of metal) (B)

• Production License of Special Equipment - D1D2-Class Pressure Vessels

• Production License of Special Equipment - Safety Accessory Manufacturing - Emergency Shut-off Valves (B)

• ASME "U" (Pressure Vessel) Certification

• CNAS Laboratory Accreditation Certificate

• CE/PED 2014/68/EU Certification for Gas Pressure Regulator and Shut-off Valve

• CGAC Gas Appliance Product Certification

• ISO9001 Quality Management System Certification

• ISO14001 Environmental Management System Certification

• OHSAS18001 Occupational Health and Safety Management System Certification

• High and New Tech Enterprise Certificate

• AAA Enterprise Credit Rating Certificate

• Intellectual Property Management System Certification

• We are applying for the Special Equipment Design License for Pressure Pipes (GB1/GC1). It is expected to obtain the certificate in August 2022

• We are applying for the Special Equipment Installation, Modification and Maintenance License for Pressure Pipes (GB1/GC2). It is expected to obtain the certificate in June 2022