Yidege is famous for producing ink.
The product has bright ink color, colorful shades, smooth writing, moderate concentration, rich fragrance, easy drying after writing, suitable for uncovering and mounting, strong water resistance, never fading, low sedimentation, no irritation to paper, suitable for all seasons, and has Gu Mo characteristics.
Yidege is a local traditional handicraft in Beijing, with a production history of over 100 years.
During the Tongzhi period, a Hunan scholar named Xie Ming Dai Song invented an ink.