Port Use Four Ropes Clamshell Grab Mechanical Ropes Clamshell Grab SHANGHAI HAOYO MACHINERY CO., LTD. Base Info Model NO.:20cbmTrademark:HAOYOTransport Package:NudeOrigin:Shanghai Description Pre:25t Motor Electro Hydraulic Clamshelll Grab Ship Grab Next:Shanghai 40feet Liftng Bar Beam Supllier