Sung Yu Co., Ltd specializes in manufacturing and supplying the market of quality plastic products with modern production lines and gradually creating the brand name in the market with products such as: Plastic wood doors, plastic ceilings, PVC compounds, so on.Sung Yu Co., Ltd specializes in manufacturing and supplying the market of quality plastic products with modern production lines and gradually creating the brand name in the market with products such as: Plastic wood doors, plastic ceilings, PVC compounds, so on.