Tianjin Free Optic Photoelectric Technology Co., Ltd. Adirẹsi D6-A-201, East District, Huigu Industrial Park, No.. 1 Xuefu West Road, Xuefu Industrial Zone, Xiqing DISTRICT, Tianjin, China. Imeeli admin@free-optic.com Foonu Tita: (86-22) 8137 0773 WhatsApp WhatsApp:86-131 1008 9902
