Crysal Blank Block
We can supply a wide variety of grade A K9 optical crystal blocks forCustomers with interior or exterior engraving.Sizes: 50 x 50 x 80mm, 40 x 40 x 40mm, 50 x 50 x 50mm, 60 x 60 x 60mm,80 x 80 x 80mm, 100 x 100 x 100mm, 130 x 70 x 60mm, ...

Zhenghe Crystal Co., Ltd.