PEI塑胶原料美國GE1000101021002100-73012200-100023002300-73014001-7402ATX200F2400-7301801-7710NBV404-10011000-10001000-71011000F-71011010-71011100F-21872210-73012300R-111/73012310R-111/7301CRS5301-1000美國液氮ATX3562SK/SLEC1003EFC-4036EFL-4036)