PP, is the abbreviation for polypropylene, which is a thermoplastic polymer with many excellent features. Our main air filter paper is a composite of PP and PET, PP as the primary filtering material, PET as the supporting material. PP air filter paper has
Metal silicon is made from quartz and coke in electric heating furnace smelting products. The main ingredient of silicon content is about 98%. The rest of impurities is iron, aluminum and calcium etc. it's the major raw materials of aluminum alloy ingots
It is a narrow and long steel plate mainly produced to meet the needs of the industrial production of various metal or mechanical products in different industrial sectors.
General use face mask. NOT for Medical UsePack of 50 masksFor Mouth and Nose Protection3-Layer, Comfortable, Ear-LoopsThese masks should be disposed of after each use.