According to Lanzhou News, a simple spitting bag with only 2-3 cents was piloted and promoted in public places in Lanzhou.
The inventor of the simple spitting bag is Wang Lifeng, the conductor of the 127 bus. The simple spitting bag has a triangular shape. The gypsum powder absorbs sputum and is added to the bag. At the same time, in order to prevent the outflow of harmful substances from causing contamination, a double-sided tape is attached to the seal of the paper bag. A disposable cup can be used to make 2 spit. bag. (Guo Shengjun)
