Fill hydrogen gas cylinders
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What **approval is required to fill hydrogen gas cylinders?** What qualifications are required? Which devices should be purchased?
What **approval is required to fill hydrogen gas cylinders?** What qualifications are required? Which equipment should be purchased? If it is to be produced and sold within the country, a license issued by the General Administration of Quality Supervision, Inspection and Quarantine is required for the manufacturing of pressure vessels ； Obtain B1 grade qualification for seamless gas cylinders ； To purchase a gas cylinder continuous manufacturing line, it is necessary to have UT and MT non-destructive testing equipment, heat treatment facilities for quenching and tempering, as well as external pressure testing equipment.