Metal mesh, also known as oil filter, butterfly filter, chemical fiber assembly, filter, etc., is made of different numbers of metal mesh and support mesh combined and made by wrapping process surface, mainly used for oil filtration in filter press It can be used for filtration of oil circuit systems of ships, diesel engines and other equipment, as well as for the filtration of impurities in textile stock solution on the front side of various types of spinning nozzles for synthetic fibers and man-made fibers in the chemical fiber industry and under other acacia conditions.