长期供应PPO美国GE:N190X,N190HX,N225X,N300X,PX9406,SE1X,SE100X,SE100HX,PC180X, N190A,SE101X,731,731H,534,SPN410,SPN410H,SPN420,PN235,PX0844,PX0844A,PX0871,PX0888,PX1127,PX1265,PX1269,PX1390,PX1391,PX4058,EM6100F,GFN1GFN2,GFN3, SE1GFN1/2/3,HM3020,HM4025,HMC1010。HS2000,N300,PX500,RN1300.