Overhead Crane, Gantry Crane, Jib Crane manufacturer / supplier in China, offering High Efficiency M6 Grade Chain Hoist Dual Speed European Type for Factory Use, Electric Lifting Hoist 0.25kg to 2t M6 Rated Chain Block Dual Speed for Industrial Application, M6 Electric Chain Hoist Dual Speed 250kg to 2000kg with Customization Service and so on.