The company was founded in 2003 and officially listed on the Shenzhen Stock Exchange in 2011. It is an energy saving and environmental protection enterprise with core technology and continuous innovation capabilities. All Willis stick to their beliefs, keep pace with the times, and work hard: we focus on the three core business areas of urban environment, environmental protection, and energy services. While operating around the two major business segments of “urban and rural organic waste recycling” and “industrial energy saving and environmental protection”, the company is actively expanding the energy business sector. The company's main products include garbage leachate treatment, wet waste treatment, biogas engineering biogas, industrial energy saving and environmental protection, oil and gas recovery and VOCs treatment, industrial wastewater treatment, biological natural gas, biofuel, etc. The company received honors such as the 2016 National Science and Technology Progress Award, the Ministry of Environmental Protection's Science and Technology Progress First Prize, the Ministry of Agriculture's Science and Technology Progress First Prize, the 2013 National Energy Science and Technology Progress Award, the Shandong Science and Technology Award, and the Guangdong Science and Technology Award.