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About Tochance
Quartz Material
Base Material
Semiconductor
TFT-LCD
LED
Solar
Electro-Optical
Optoelectronics
Lab Instrument
Fine Ceramics
Semiconductor
TFT-LCD
LED ceramics
Mechanical Ceramics
Sapphire
Sapphire ware
Sphere/Hemisphere
LED Substrate
Crystal material
Precision
Machining
WeChatID: tochance27439813
Sapphire ware
Sphere/Hemisphere
LED Substrate
LED Substrate
Sapphire Cassette
Product name:Sapphire Cassette
2” 4” 6” wafer