Wahl Eversharp, the world-famous pen brand, was formed by the merger of Eversharp Pencil Company and Wahl Adding Machine Company between 1912 and 1917. It has developed tortuously since its establishment: in 1929, due to the launch of the Golden Seal ( GoldSeal) series of personal pointed ink pens became famous, with net sales 25% higher than Parker pens, creating Will Yongfeng's first miracle; after that, the company began It went downhill; in 1940, it attracted attention again with the launch of Weill's best-selling Skyline pen; in 1947, the ballpoint pen produced was returned due to rough workmanship; in 1995, Emmanuel Cartager Ronny (Emmanuel Caltagirone) joined the company, determined to reinvent the Horizon series of pens, and Will Yongfeng rose again.