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Photothermal technology is an industry with a higher threshold and less environmental pollution than photovoltaic technology, and can be called the 'crown jewel' in the field of new energy. According to the IEA's forecast, by 2050, the global installed capacity of solar thermal power can reach 982 GW in operation, with China expected to reach 118 GW of installed capacity. At present, the national "13th Five Year Plan for Energy Science and Technology" has been issued, with a total of 20 demonstration projects for solar thermal power generation, with a total installed capacity of about 1.35GW, including 9 tower power stations, 7 trough power stations, and 4 Fresnel power stations.

For the automatic tracking control system of solar energy, Huilian Technology has developed an inclination sensor that combines angle sensors with mechanical devices to track the sun, greatly improving tracking efficiency and achieving automatic angle correction, effectively solving the problem of accumulated errors increasing over time. Huilian Technology provides mature technical solutions for high-efficiency automatic tracking and control systems for solar energy, and has officially cooperated with the well-known Qinghai Zhongkong Delingha 50MW tower solar thermal power generation project. Huilian Technology will provide all tilt sensor products for its developed projects. The project team compared the indicators of more than 30 domestic and foreign manufacturers and conducted multiple on-site inspections at Huilian Technology, ultimately choosing the tilt sensor designed and produced by Huilian Technology.