 
      2025-08-27
 
          Qingdao Rhino Stone Intelligent Technology Co., Ltd (abbreviated as Rhino Stone Tech) today announced that its latest innovation, the EH4 Electric Dual-Brush Roller, has officially entered field testing. This marks another key milestone in the company’s development of intelligent cleaning solutions for photovoltaic (PV) modules.

 The EH4 Electric Dual-Brush Roller is among the first cleaning devices developed by Rhino Stone Tech to feature a dual-brush system, specifically designed for cleaning solar panel surfaces. Compared to traditional single-brush systems, the EH4 utilizes two synchronized brushes to increase cleaning coverage, improve efficiency, and deliver a higher standard of cleanliness on PV glass. It effectively removes common contaminants such as dust, bird droppings, sand, and light grease — helping to restore light transmittance and boost energy output.

Key Features of the EH4 Electric Dual-Brush Roller:

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