供应PPA塑胶原料(1) 美国阿莫科 A-1133 ,A-1340HS,A-6625HS,AF-1145 V0,AF-1550-GY514,AS-4133HS,AS-4133L,AS-QK1145HS,AS-QK-1145HS BK324,HFZ A-4133L,A-4122,AFA-4133,AFA-6133,AS-1145,AS-4133 (2)美国杜邦 HTN51G15HSL ,HTN51G35HSL,HTN52G45HSLR,HTN54G15HSLR BK031,HTN54G50HSLR,HTNFR52G20NH (3)瑞士 FE8121 ,HTV-4X2,HTV-4X2 V0,XE3818,XE3819,EX3915,XE3769,XE3825,GV-5H,FE4581,G21
