Hign tension steel platform with walking stage and railing for Oil rig Strong capacity on lifting, welding and machining Steel structure platform ... of pressure vessel for oil/ gas /chemical industryEmployee1000+CertificationISO9001 for steel structure, DNV, BV, GL, LR, ABS, CCS for ... 13.5m with loading 50 tons, Our own jetty can allow boat 11 m × 45m with loading 800 tons heavy steel frame structure