What's the difference for the engraving LGP and silk print LGP?

 

 
 
 
 
The most difference is the light guide method. The silk print[print?:printing image graphic cutting solution] version LGP[LGP?:advertising LGP slim light box engraving machine] is to add the ink on the panel to form a raised point thus to guide the light ray out. 
While the engraving machine version is to engrave the V-cuting groove visa special  engraving tools on the panel to reflect the light out. 
 
While our engraving tool is imported from Korea, the most famous light box[light box?:light box] country.  Use the prcess control technology to make sure the same depth of the V groove.  Make sure the lighting uniformity.