Peb siv peb cov chaw tsim khoom tshwj xeeb los ua cov khoom siv hlau nyuaj hauv tsev. Tshwj xeeb, peb muab cov cuab yeej txiav, qhov kawg, ntxig, burrs. PCD cov cuab yeej, cov cuab yeej precision, tungsten carbide coj qhov chaw, xws li pas nrig, phaj, rings, bushes, brazed lub tswv yim, thiab lwm yam.