Tianjin Free Optic Photoelectric Technology Co., Ltd. Adress D6-A-201, Osten Distrikter, Huigu Industriezon, Nr 1 Xuefu West Road, Xuefu Industriezon, Xiqing Distrikter, Tianjin, China. E-Mail admin@free-optic.com Telefon Verkaf: (86-22) 8137 0773 WhatsApp WhatsApp:86-131 1008 9902
