Polyvinyl chloride resin is widely used in production of polyvinyl chloride boardy leatheroid, paint and adhesive agents,tec. Paint and adhesive . Sg3 is used to make ordinary soft products, such as: wire, plastic sandals, film, packaging bag, hose, toys, crafts, auto parts, foam plastic etc. Sg5 is a universal resin, which can be used to produce foaming materials, pipes, profiles, boards etc. Sg7 is used for the production of hard products, production of sheet, sheet, such as: doors and Windows, flooring, furniture, decorative materials, wood products etc. Sg 8 is used to produce hard products such as sheet, sheet, pipe fittings, etc.