Lianyungang the Hong Kang Shiying Products Co., Ltd. is located in the "Chinese quartz Center ---- Donghai County, Jiangsu Province. Hong-Tek is a company based industry, production, sales of high-tech materials. The company is mainly involved in: quartz (quartz plate, quartz window, quartz observation windows, gold-plated quartz plate, etc.) industry, the semiconductor industry, optical fiber industry (quartz tube, quartz Last rods, handheld stick products) and the solar industry. The products include all kinds of quartz products, quartz tube, thick-walled quartz tube, quartz back cover tube, quartz rod (ingot furnace quasi-long-grain test q