1999年，成立金屬電子交易所集團有限公司（英文：WorldMetal），創辦金屬電子交易平臺，仲喺2001年喺香港聯交所創業板分拆上市，(香港交易所：8161)，其後喺2005年改名做華彩控股有限公司，同埋轉型到主要做中國公益彩票業。
In 1999, WorldMetal was established to establish a metal electronic trading platform, and in 2001, it was spun off and listed on the Growth Enterprise Market of the Hong Kong Stock Exchange (HKEX: 8161), and then changed its name to Huacai Holdings Limited in 2005, and transformed to mainly do China's public welfare lottery industry.