How to identify the advantages and disadvantages of lever hoist

Decided to proceed with the merits of the quality of the life and work of pull hoist efficiency, a good  Manual hoist  hoist can replace time-saving, the use of 2035 will not be a problem, but if the quality, but off  lever hoist   may even a month are impossible, there will be a variety of Kind of problem. So how should we judge the quality lever hoist is good or bad it?
First look at the appearance of the packaging, regular brand manufacturers lever hoist will have a logo, including company name, trade name, insurance companies, security and so on. If not, it could be fake and shoddy products.
lever hoist observed after reading the packaging material and workmanship, according to the product certification and other qualifications, lever hoist test whether the quality is guaranteed, pay attention to whether the lower casing and parts refurbished sign.
The most important test operation in person to observe the flexibility of the chain, first pull the reversing lever to neutral, and then holding the lifting chain of any section, drag force. Such as flexible operation, namely product parts with good quality. And damping phenomena such as pause, then say The factory is not completely run out good. Need to be run again in use.