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Cov lus piav qhia: Delrin POM khoom, POM steel MOVCR12, Pulley Caij nplooj ntoos hlav bushing / Pwm rau POM yas txhaj tshuaj Pwm Hlau (Core & Cavity / Pwm Base): MOVCR 12 / P20 Khoom siv: Delrin Daim ntawv thov: industrial Market los yog Client: USA