Filter products used to filtering gravity during the earlier developing period

 　　After the filter products had been invented, wholesale grease filter said most of these products are used to filtering gravity, after the developing, people start to adopts the added pressure filter to improve the filtering speed, so wholesale grease filter said this is the main reason why vacuum filter appeared so early, and wholesale grease filter said compared with other filter products, vacuum filter also has a bigger market shares.

　　At the beginning of twenty century, due to the invention of drum vacuum filer, people had achieve the goal of continue do the filter operations, then a variety kinds of continue filter products begin to sold on the common market.

　　Difference to the common filter products, wholesale grease filtersaid because the batch operation filter, such as the plate and frame press filter, which can be fully automatic operating, so it has been developed with a very fast speed, and its filter areas also become bigger and bigger. To get the best filter residue, which has the smallest water contents, wholesale grease filter start to use the mechanical press filter to finish the filtering works.