0086-0513-88792362
No. 31 Group, Liuwei, Qutang Town, Nantong, Jiangsu, China (Mainland)
optical fused silica, US $ 0.1 - 10 / Piece, Jiangsu, China, Huihong, bk7/k9/b270 optical windows.Source from Haian Huihong Photoelectric Instrument Factory on Waimaotong.com.