2001年12月28日，格林美由創始人許開華教授基于綠色生態制造（G—Green E—Eco M—Manufacture）的理想在深圳設立，先后于深圳證券交易所（股票代碼:002340）和瑞士證券交易所上市，總股本51.36億股，凈資產187.62億元，年產值300余億元，員工總數10000余人。公司在國內率先提出"資源有限、循環無限"的產業理念，積極倡導通過開采城市礦山的商業模式來"消除污染、再造資源"，推進循環型社會的發展，遏制全球溫室效應，是世界開采城市礦山的領導者與世界新能源產業的推動者，是世界領先的廢物循環產業集團、世界新能源行業的核心供應商與中國循環經濟領軍企業。2023年，公司入圍"中國民營企業500強"（484位），蟬聯"中國制造業企業500強"（371位）與"中國制造業民營企業500強"（315位），入圍2022福布斯中國可持續發展工業企業TOP50、2022胡潤中國民營企業可持續發展百強榜（位列第7位）。
公司的主營業務歸屬廢棄資源綜合利用行業與新能源行業，形成了"城市礦山開采+新能源材料制造"的雙軌驅動業務模式。在城市礦山開采領域，公司回收利用廢舊動力電池、電子廢棄物、報廢汽車、廢塑料與鎳鈷鋰鎢戰略資源，主要再制造鎳鈷鋰鎢、金銀鉑鈀稀缺資源、超細鈷鎳鎢粉末材料與改性塑料；在新能源領域，公司制造動力電池用三元前驅體、三元正極材料與3C數碼電池用四氧化三鈷材料，是世界新能源供應鏈的頭部企業。
公司主導組建了國家電子廢棄物循環利用工程技術研究中心、國家能源金屬資源與新材料重點實驗室、國家企業技術中心等國家級創新平臺，構建了中國在廢物循環、資源再生、材料再制造的系統技術體系與知識產權體系，在全球申請專利3767項，牽頭制定/參與國家與行業標準475件，取得一批重大科技成果，先后獲得國家科技進步獎2項、省部級一等獎10項。
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.
GEM's main business belongs to the comprehensive utilization of waste resources and the new energy industry, forming a dual track driven business model of "urban mining+new energy material manufacturing". In the field of urban mining, GEM recycles and utilizes waste power batteries, electronic waste, scrapped cars, waste plastics, and nickel cobalt lithium tungsten strategic resources, mainly remanufacturing nickel cobalt lithium tungsten, rare resources of gold silver platinum palladium, ultrafine cobalt nickel tungsten powder materials, and modified plastics; In the field of new energy, GEM manufactures ternary precursors, ternary cathode materials for power batteries, and cobalt tetroxide materials for 3C digital batteries, making it a leading enterprise in the world's new energy supply chain.
GEM has led the establishment of national innovation platforms such as the National Engineering Research Center of Waste Electrical and Electronic Equipment (WEEE) Recycling, the National Energy Metal Resources and New Materials Key Laboratory, and the National Enterprise Technology Center. It has also established a systematic technical and intellectual property system for waste recycling, resource regeneration, and material remanufacturing in China. It has applied for 3767 patents globally, led the formulation/participation of 475 national and industry standards, and achieved a number of major scientific and technological achievements. It has won 2 National Science and Technology Progress Awards and 10 Provincial and Ministerial First Prizes.