86-431-81323204
Lvdi Main Square, No. 1088, Nanhuancheng Road, Changchun, Jilin, China (Mainland)
2mm diameter N-BK7 Uncoated Optical Windows Small Windows Optical Glass, US $ 1 - 100 / Piece, China, SUNDAY, SD-WUB7.Source from Changchun Sunday Optoelectronics Co., Ltd. on Waimaotong.com.