Shanghai Longway Special Glass Co., Ltd. is a professional glass supplier specially developing material application and processing techniques. Our products are mostly applied in the fields of Lighting, Industries, Optics, Electronics, Decoration Gifts ...

Zhantuo optical lens co.,ltd located in Guangdong dongguang humen town,"the logistic center of china".near by port,the transportation is very convenient.we are the geometrical Guangzhou\\dongguan\\shenzhen\\HK\\macao city economic ...