Nanjing Sapphire Electro-Optics Co Ltd specializes in processing fine-precision crystal optics mainly made of sapphire and produced to customer specifications.

网站：https://www.mpasapphire.com

地址：Nanjing Sapphire Electro-Optics Co Ltd 219 N Zhongshan Rd Nanjing, Jiangsu, 210009 Phone:86-25-8320-2951 Headquarters