On November 18th, 2015, Scheubel and his team from Refratechnik Group visited PRCO headquarters. PRCO President Li Xuejun, vice president Han Aishao, president assistant Wang Tingli, chief expert Ma Letian, Dr. Tian Xiaoli, Technology department deputy manager from Zhengzhou Huawei Company Li Hongliang received Scheubel and his team.