Tianjin Free Optic Photoelectric Technology Co., Ltd. Seòladh D6-A-201, Sgìre an Ear, Pàirc Ghnìomhachais Huigu, Àir. 1 Xuefu West Road, Xuefu Industrial Zone, Xiqing District, Tianjin, Sìona. Post-d admin@free-optic.com Fòn Reic: (86-22) 8137 0773 WhatsApp WhatsApp:86-131 1008 9902
