... nickel wire, polyamide fiber, polyester fiber, F46 fiber, metal wire and mixed fiber, etc.Usage: In distillation, absorption ... in the process of petroleum, oil refining, chemical industry, light industry, pharmacy, metallurgy, machinery, shipmaking, automobiles and tractors, ... filter,air filter, , range hood filter,antisepsis filter, metal frame filter ,plate air filter,draught filter, fan filter, ...