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Sapphire
Sapphire big parts
 
 
Shinkosha came to be able to produce large-scale sapphire raw materials, and to supply large-scale sapphire processing parts now.Moreover,it is skillful to give a highly accurate grinding and polishing to its large-scale sapphire.
Eg) Sapphire square window: 300mmx200mmx20mmth, all surfaces highly accurate polished.
   
  
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