Replace phosphorus trisulfide with sulfur in the head of safety matches. The general heat of friction is not enough to cause a reaction in the medicine head. Only when scratching on the phosphorus layer on the side of the matchbox, the heat of friction first causes the sulfur to react with potassium chlorate, releasing more heat energy, and promoting the chemical substances in the medicine head to react and ignite.

Using a match comb automatic continuous machine (CM machine) to automatically complete the stem making and medicine sticking head. Use a phosphorus coating and cutting machine (PM machine) to apply a phosphorus layer to the printed trademark cover paper. After drying in a drying tower, it is first longitudinally cut into strips, and then horizontally cut into pieces for packaging purposes. The match comb and the cover are combined in the binding machine (AM machine). The match comb is cut on the machine, and the cover is folded and combined into a book to form the finished product.