Hansheng has the production qualifications of steel seamless gas cylinders and welded gas cylinders issued by the General Administration of Quality Supervision, Inspection and Quarantine. The products produced have passed GB/T5099, GB/T5842, GB/T5100, ISO 9001, ISO 9809-1, ISO 9809 -3 Quality certification, obtained EU TPED, German TUV certification, South Korea KGS certification, US DOT certification and etc..
