... atomization aesthetic processing; 3, TV screen process in sand; 4, silicon crystal yuan of cutting; 5, tooth die of clean sand ... , precious metals products of extinction or fog surface processing, crystal, glass, corrugated, acrylic etc. Nonmetal the fog of ... make machining surfaces into metallic luster. 3, etching processing: jade, crystal, agate, semi-precious stones, seals, and stone, antiques, ...