
PVC have the ability of flameproo、ffireproof and non-hypergolic, often use in electronics industry and buildingstructureedifice. PVC have improve weak of wood, such like long-firing operation and permanent. We commonly found it in our world.

PVC have the ability of flameproo、ffireproof and non-hypergolic, often use in electronics industry and buildingstructureedifice. PVC have improve weak of wood, such like long-firing operation and permanent. We commonly found it in our world.