Hansho Composites is pleased to announce we offer services to help international cylinder manufacturers and retest laboratories to gain US DOT approval. We do this by offering US DOT’s requirement for “agent for non-residents” per USA regulation 49CFR 105.40 Hansho advises and assists international cylinder manufacturers and retest laboratories to meet the requirements of USA’s 49CFR 107.807 (Approval of non-domestic chemical analyses and tests) and 49CFR 107.109 (Conditions