Tianjin Free Optic Photoelectric Technology Co., Ltd. Alamat D6-A-201, Daerah Timur, Taman Perindustrian Huigu, No. 1 Xuefu West Road, Zon Perindustrian Xuefu, Daerah Xiqing, Tianjin, China. E-mel admin@free-optic.com telefon Jualan: (86-22) 8137 0773 WhatsApp WhatsApp:86-131 1008 9902
