Disc brake has good thermal and water stability, in mountainous areas or rainy days, the use of disc brake can greatly shorten the braking distance, improve the braking safety of vehicles.
Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene.[5] Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and rather brittle. It is an inexpensive resin per uni
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144 Cores Fiber Optic Cable low transmission loss and dispersion, The close structure of SZ layer stranding prevents optic fiber from stress under bad environment,It could ensure high tensile strength, better performance of resisting side press and animal