How To Indentify K9 Crystal ?

There are too many diffeent quality standard in crystal market,we can tell you some knowledge about how to indentify the crystal quality.   1: the worst press type material machine production: no color of the light, cloror is white, and look carefully, the reflection of the crystal light with some light yellow or light green. […]

How Does Laser Engrave Work ?

The carving is an ancient art, generally carving is carving from the outside, you can carve the shape you want from the outside material, but laser engrave, seems like one magic hand to carve the amazing image inside of material . Actually, laser engrave is very simple. Iif you want to laser engrave in the glass, the […]