... ,Low maintenance 3.Advanced equipments and infrastructure two-jaw ,four-rope clamp buckets1.Two-jaw grab is suitable for all kinds ... vacuum casting by our Group,top quality control3.Wheels,wirerope drum,gears, couplings are processed by our CNC manchine center, TOP ... yeard,workshop,wharf to grab loosematerial, rubbish, scrap iron,etc. Rope dual scoop grab