The company was registered and established in Shenzhen, People's Republic of China, on July 18, 2002. Its H shares have been listed on the Growth Enterprise Market of the Stock Exchange of Hong Kong since January 29, 2003, and were transferred to the Main Board on September 28, 2010. The company's A shares have been traded on the Shenzhen Stock Exchange since April 26, 2012. The company's principal business activities include the resource recovery and utilization of industrial waste, the treatment and disposal of industrial waste, the recycling and utilization of rare and precious metals, the treatment and disposal of municipal solid waste, the utilization of renewable energy, environmental engineering and related services, the dismantling of electronic waste, and other related operations. The company has received numerous accolades, including designation as a key environmental protection enterprise at both the Guangdong provincial and national levels, a recipient of the "National Major Demonstration Project for Resource Conservation and Environmental Protection," one of the "First Batch of National Circular Economy Pilot Units," and a "National High-Tech Enterprise."
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Disposal and comprehensive utilization of waste (subject to separate licensing); treatment of wastewater, exhaust gases, and noise; design, construction, and operation of environmental protection facilities; sale of chemical products (subject to obtaining an operating license for hazardous materials); production, procurement, and sales of environmentally friendly materials, recycled environmental products, and environmental protection equipment (with a separate business license required for the production site); development, promotion, and application of new environmental protection products and technologies; establishment of industrial ventures (specific projects to be reported separately); import and export of goods and technologies (excluding distribution and items subject to national exclusive or controlled trade); property leasing; and biomass power generation, including biogas.