Product information:
Insist on using 1400 degree potassium barium lead-free crystal material, high hardness, good light transmission, knock
Metal echo is hit. This is the material and skill of blowing first-class ultra-thin red wine glasses.
Fire throwing process over 1100 degrees, insist on secondary annealing to prevent Cup
Body burst, each one can withstand a temperature difference of 90 degrees.
Brand: birthmark
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