SKY RESOURCES SOLAR formerly known as Tianzhiyuan Solar Energy, was established in March 2000. It specializes in the research and development of photovoltaic lighting, photovoltaic power generation, photovoltaic energy storage, photovoltaic appliances and other photovoltaic application products. It has been ranked in the top ten for 8 consecutive years on more than 500 authoritative media platforms across the country; Yuzhiyuan is a national high-tech enterprise that is a strategic cooperative brand of CCTV channels 1, 2, 7, and 10. It has participated in the formulation of 9 national, industry, and provincial standards; We have over 200 patents, 19 invention patents, 2 national invention gold awards, and a unique solar street light patent technology that saves 80% of electricity. With the same material configuration, we have achieved twice the brightness, five times the lifespan, and five times the result of traditional technology on rainy days. We have solved the world problem of being unable to light up for long periods of time on cloudy and rainy days. Our pure solar technology can be used as a main road and can work normally for 30 days on rainy and cloudy days. More than 420 solar street lights have been in use for more than 10 years. Was included in the Military Procurement Network in 2020;

Yuzhiyuan's main products include: smart city solar street lights, solar intelligent monitoring lights, solar courtyard lights, lawn lights, floodlights, solar power stations, intelligent water pumps, mosquito and insect repellent lights, insecticidal lights, solar fans, and more than 1000 photovoltaic applications in nine series. It has four major brands: Yuzhiyuan, Yuzhiyuan, Xiangyang, and Asdandi, suitable for customers of different levels; Yuzhiyuan's products are currently exported to over 90 countries.