For cross-border procurement, the vehicle must meet the destination country's safety and environmental regulations. Key certifications include ISO 9001 for manufacturing quality, ADR for hazardous or specialized transport in Europe, and DOT for the US market. Specifically for the pressure vessel aspect, ensure the tank complies with ASME standards or local pressure vessel safety codes. On Made-in-China.com, you should prioritize suppliers who provide SGS or BV (Bureau Veritas) inspection reports to verify structural integrity.