SY SMILE CO., LTD. is a agent of well-known engineering plastics manufacturers such as  Polycarbonate resin/PC+ABS polymer alloy/PC sheet and film from TEIJIN GROUP(Japan/Singapore), Nylon 6/Nylon 66/PBT resin from BAYER AG(Germany),  PMMA/ABS transparent from Diapolyacrylate, Nylon66/POM/PPE from A ... อ่านต่อ