Zhejiang Hanneng Glass Technology Co., Ltd. is a high-tech company, mainly engaged in manufacturing glass tempering furnace and other processing equipment. Our products not only include 3.3mx18m huge furnace, but also 600x900mm mini furnace. we can make 2mm ultra-thin glass tempering furnace, and gas powered furnace. Our Turbo blower convection system can save 30% energy than general blower convection.