What are the classifications of crystal crafts? What are the precautions for crystal crafts maintenance and cleaning?

Crystal crafts are ornaments made of crystal materials. Crystal crafts are delicate, transparent, noble and elegant, light and cold in nature. They not only have practical value and decorative function

Crystal knowledge

The composition of ordinary glass is silicon dioxide (SIO). Crystal is high lead glass, or lead crystal glass, that is, adding 24% lead oxide PbO into ordinary glass. The content of PBO is 24% according to the international standard.

The property and identification method of crystal cup

Crystal trophy properties: Category: Trophy Material: K9 crystal / artificial crystal Shapes: geometry Process: cutting, grinding, internal carving, sandblasting, color printing