Beijing SG Technology Co., Ltd is the branch company of Renqiu Quartz. Quartz heating materials are our main product and we have our own quartz tube factory, heating resistance factory. our quartz factory, Renqiu quartz is the biggest quartz glass manufactures in China. We also have some other home appliance as satellite dish antenna, and a multi-factory who make ceramic for the heater, and (silicic acid aluminum) fiber felt. Situated in Beijing, the capital city of China and near to Tianjing-one of the main port of China, We have the very advantage in transportation.