Tianjin Dayun Chemicals Import And Export Trade Co.,Ltd. is the manufacturer of the plastics materials?Polyethylene & Poly propylene, Polyvinylchloride & Polystyrene and so on.If you are interested in these products, please contact us. I'll try my best to give you the competitive prices and the best quality. Looking forward to your reply.Yours faithfully,JessieSales ManagerTianjin Dayun Chemicals Import And Export Trade Co.,Ltd