There are several kinds, types, models and make of electric chain hoists but the type is determined its purpose and how heavy the loads are to be lifted and lowered. There are hoists which can be bought by anyone and affixed to the ceiling and used for general purposes like lifting the engine off a vehicle for servicing. And then there are the more industrial or heavy duty ones which can lift heavier loads and are generally found infactories and warehouses.
When choosing the electric chain hoists, determine what it is going to be used for. Do not just go out and purchase the cheapest one simply because of its price tag. Before buying, always find out everything there is to know about the operations management for this will be the standard for the safety in operating it.
Look at the product reviews and see if the one that is chosen meets the quality standards set by law. If the choice is the cheap one because of budget issues, this may leave out the safety parameters as well as the quality parameters and this can be questioned by the different rules, health and safety laws and regulations when the time comes for the inspection for a licence or certificate to operate.