POM(聚甲醛) (1)日本泛塑胶：M90-44、M90-04、M90, LW90S2, M25-44, M25S, M270-44,HP25X,CP15X, M270, M270S, M90-45 M90S NW-02, SW-01, AW-01, CP-15, GB-25,CH-25, GH-25, HP-25,
