May Day is our chain hoists chain hoists accessories sales outstanding products, please contact QQ2048585929 May to learn more about the use of chain hoists as follows: 1, double pigeon hoists http: // www. wuyishuangge. com / chain scission occurs when the decoupling hook rebound, rebound or fall below an object, you should check to make sure by hand; 2, if you need to move higher care items, rigging lash points lower than the center of gravity of the object, if necessary You can keep on top of the gourd used to prevent the dumping of objects; 3, Pinto thing, we should clean up debris around, if necessary, increase the hanging points above the object to prevent accidents thing; 4, a plurality of pairs of pigeons hoists Tropsch move objects, to have command of professionals, who have to cooperate with each other, not recklessness, shipping process, but also a personal observation of objects weight shift situation, an exception occurs, notify personnel processing; 5, the construction process needs the use of the installed equipment as a prop roots point shift, when out to, you should first check the stability of the equipment, according to the weight, volume and direction of the force apparatus, the force point determined to maintain the steady state can withstand tension, have hand observation of stable situation rooting points.