... Our shenghui shop is API 4s approved Steel structure platform for offshore projectProject for BOMCOFor oil rig ... area 93500 square meterCapacity per year70,000 ton steel structure, 60 sets of ball miller, 500 units ... vessel for oil/ gas /chemical industryEmployee1000+CertificationISO9001 for steel structure, DNV, BV, GL, LR, ABS, CCS for Marine ... × 45m with loading 800 tons heavy steel frame structure