1. Permanent magnetic separator in addition to the cost of iron mainly look at the amount of Ndfeb, some manufacturers have no principle of product quality can be said, but according to the contract price to leave a reasonable profit after production, the standard of 70mt in addition to iron is hard to do 30mt, non-standard magnetic blocks ah, second-hand magnetic blocks ah filled a large market.

2. The cost composition of electromagnetic iron remover is mainly in the coil and control system. During this period, the cost determines the price.

3. The manufacturers of transmission parts, such as motor, reducer, ring scrap iron belt and bearing, have different types of models. Sew, nord, Siemens and Flanders are useful.