TENGZHOU YUNBANG TRADING CO.,LTD islocated in Tengzhou,the concentration of China’s glass industry.It originated from the establishment of the first production line for the production of mirrors in 1992.Since the establishment of the first production line for the production of mirrors,the historical civilization with more than 30 years of production experience has continuously invested in technology research and development and the improvement of production technology,and continuously improve and optimize the production process to ensure the stability and reliability of product quality.