... on welding, machining, lifting, transportation. Company nameJiangsu Qiulin Port Machinery Co.,LtdAreaplant 75000 square meter, cover total area 93500 square meterCapacity ... ball miller, 500 units of pressure vessel for oil/ gas /chemical industryEmployee1000+CertificationISO9001 for steel structure, DNV, BV, GL, LR, ABS ...