Our company specializes in production and sales of HSZ models fifty-one chain hoists. Please contact QQ2048585929. Here we take a look at this fifty-one hoists it! We use fifty-one hoists http: // www. wuyishuange. com / conduct operations when lifting heavy pulling the hand chain will feel very relaxed, very sensitive transmission components up and running, mainly because May hoists used in high-speed synchronous gear symmetrical arrangement, in addition to wear resistance higher than ordinary products doubled, turning up is also extremely stable. May hoists drive direction is very fixed and will not be slipping, rotating phenomenon, and the ability to guide the various components of excellent force transmission sequence as follows: hand chain, bracelet round, five teeth long axis slices gears, spline hole gear, lifting wheel, lifting chain.