Melting point: crystal melting point is 1713℃.Its brittle property under heat was discovered in experiments.Burn the crystal in the flame of a flame thrower. Unless it is well protected and slowly cooled, the crystal will break.This temperament was well known by the ancients.
For the logo, if customer have the right form (.ai or .cdr), could send us them. If no, we need to setup for your logo, maybe have a little design fee. Customer should offer us the right font for the text and words.
2. 2D/3D laser engraving:
For the 3D logo, our designer need to make it on the computer. The setup fee is higher than normal logo. After finishing it, we will send the detailed 3D pictures to customer to confirm. After getting the approval, we will make one sample, and then make remains.
3. Color printing:
For this craft, customer just offer us your clear pictures, no any extra fee.
(Before making mass order, at first, we will make one sample, then send customer the pictures to confirm. After getting your approval, we will make other products.)