1. Resin daim ntawv cog lus sib tsoo lub log: zoo tus kheej ntse, tsis yooj yim los thaiv, hloov tau, thiab zoo polishing, tab sis daim ntawv cog lus carcass muaj lub zog tsis zoo, tuav tsis zoo ntawm pob zeb diamond rau ntawm lub cev, tsis muaj cua sov thiab hnav tsis kam, yog li nws tsis yog haum rau ntxhib sib tsoo log, tsis haum rau hnyav-duty g ...
Nyeem ntxiv