86-10-69766700
No. 26, Houbaihujian, Yangfang Town, Changping Dist., Beijing, China (Mainland)
Excellent Quartz Glass Screw Block And Mating System, US $ 1 - 10 / Piece, Clear Quartz Plate, Optical, 0.5-100mm.Source from Beijing Zhong Cheng Quartz Glass Co., Ltd. on Waimaotong.com.