1.Non Sparking tools Chain Hoist Chain Hoist 2.Non Sparking Chain Hoist Chain Hoist Capacity(t)0.5~30T 3.All tools ... stringent requirements of the environment (such as gas stations, small oil depots, etc.). The beryllium copper alloy explosion-proof ... gas works, petrol-chemical plants, explosive manufactories, mines, shipyards, pipeline construction, armed forces, pharmacy, airports e.t.c. 5. All ...