供应PBT/PET塑胶原料PBT/PET欧盟GE815-BK1066，830F-1001PBT/PET日本GEV7390-1001PBT/PET日本宝理C5315，CN5315PC，CN5317MS，CN5330PBT/PET日本东洋纺织EMC-618PX4PBT/PET德国朗盛T7391PBT/PET德国拜耳T7331PBT/PET沙特创新(美国GE)AE7370-BK1066)