It is situated in Donghai Country in Jiangsu province--&＃039;the city of crystal&＃039;. There is advantaged traffic condition here. It is very convenient to go to the seaport and the airport of Lian Yungang. The company has advanced equipment, professional technology ang management. On tne basis of sustaining ronovation and rich experience, the quality of products has entered the best line of this field in China, even in Asian market. Products: carbon heating tube/lamp, halogen heating tube/lamp, carbon fiber heating tube, many kinds of quartz glass tubes including clear quartz tube, red quartz tube, black quartz tube, yellow quartz tube, grey quartz tube, milky white quartz tube etc, quartz plate, quartz rod, quartz powder and so on. We have the best products but competitive price. Excellent service is also provided here. Please feel free to contact wangxu1234china at yahoo dot cn, thanks. (Our products are widely used in such fields as fiber communication, lighting and semiconductor technology etc.)