Tianjin Free Optic Photoelectric Technology Co., Ltd. Adresse D6-A-201, Østdistriktet, Huigu Industripark, nr. 1 Xuefu West Road, Xuefu Industrizone, Xiqing-distriktet, Tianjin, Kina. E-mail admin@free-optic.com Telefon Salg: (86-22) 8137 0773 WhatsApp WhatsApp:86-131 1008 9902
