Urethane Casting
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Urethane Casting
Vacuum Casting / Urethane Casting yog dab tsi?Polyurethane nqus plua plav casting yog ib txoj hauv kev los ua cov qauv zoo lossis cov ntim tsawg ntawm cov khoom tsim los ntawm pheej yig silicone pwm.Cov ntawv luam ua hauv txoj kev no qhia tau zoo heev ...Nyeem ntxiv
