... . The product has compact structure, small cubage , light weight ,big lifting capacity and can be used conveniently . It has been widely ... applied in all sorts of lifting equipments of ships, oil field,coal mine and ports.JZ2 ... our factory include: XHDJ50,XHDJ100,XHDJ200,XHDJ300 and XHDJ400 .The lifting weight ranges from 5tons to 40 tons .We have varieties ...