based on the concept of "g-green e-eco m-manufacture", gem co., ltd. (hereinafter referred to as gem) was founded by professor xu kaihua in shenzhen on december 28, 2001. gem has been listed on shenzhen stock exchange (stock code: 002340) and, in 2022, on the swiss stock exchange. with a total share capital of 5.136 billion shares, net assets of 18.762 billion rmb, annual production value exceeding 30 billion rmb, and a workforce of over 10,000 employees, gem ranks among the top 500 private enterprises in china (484th place), the top 500 manufacturing companies in china (439th place), the top 500 private enterprises in china's manufacturing industry (315th place), the top 50 environmental companies in china (2nd place), is listed on the 2022 forbes china sustainable development industrial enterprises top50 and the 2022 hurun china private companies sdg readiness 100 list (7th place). gem has now become a leading enterprise in china's circular economy, a global leader in waste recycling, and a top-tier supply chain company in two major industries: the global tungsten carbide industry and the new energy industry.