Fiberglass chopped strand mat, briefly as CSM, is a kind of reinforcing product that made from continuous fiberglass strand, which is chopped into a certain length, distributed in a random and non-directional position and bonded with binders. It is suitable for hand lay-up, mold press, filament winding and mechanical forming etc., such as GRP processes. The main products include kinds of panels, boats, sanitary ware, water tank, anticorrosive engineering products, storage tank, automobile parts and cooling towers etc.