... performance is high 2.Small volume,easy to carry HSZ-VC Series Manual Chain Block1. It is suitable for small ... durable characteristic, used in factories, mines, construction sites, dock, dock, warehouse etc. Used for installing machinery, hoisting goods, especially for the ... in case of overload. Parameter Company profile RILI RIGGING CO . , LTD was built in 1986 , has more than 20 years history ...