In July 2012, Zhejiang Ou Shiman Group’s “Ou Shiman” was recognized as a “China Famous Trademark” by the State Administration for Industry and Commerce. As the country’s largest pearl deep processing industrialization base, “Ou Shiman” was recognized as a “China Famous Trademark” by the State Administration for Industry and Commerce. China's Well-known Trademark". Its quality and service have set industry benchmarks for the pearl industry.