Shenzhen BTK Technology Co., Ltd. is committed to building a high-tech company enterprise engaged in e-commerce,Internet import, export of internal and external trade in 2015, the office of the BTK Company is located in Longhua District, Shenzhen, with professional technical and sales team and have own glass-making factory, 24 hours for the majority of customers. Our BTK Glass Factory specializes in glass products, mainly Smart Watch,Sapphire Glass, Crystal Glass,Optical Glass,Mechanical,Thermal Glass and Metal(CNC. Hardware production line ) products. Prod...