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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
Sphere/Hemisphere
Product name：
Product name：
Sapphire Hyper-Hemispherical Ball Lens
Product name：Sapphire Hyper-Hemispherical Ball Lens
Sapphire Ball Lens
Product name：Sapphire Ball Lens
