Tianjin Free Optic Photoelectric Technology Co., Ltd. Wāhitau D6-A-201, Takiwa Rawhiti, Huigu Industrial Park, Nama 1 Xuefu West Road, Xuefu Industrial Zone, Xiqing District, Tianjin, Haina. ī-mēra admin@free-optic.com Waea Hokohoko: (86-22) 8137 0773 WhatsApp WhatsApp:86-131 1008 9902
