On November 21, Ge Longhui reported that cnlight co.,ltd (002076.SZ) stated on the investor interaction platform that the company's lithium battery production equipment business mainly provides the mid-to-late stage equipment of the entire production process of lithium batteries for new energy power battery manufacturing enterprises. The main products include: square battery hot press machine, square battery ear welding machine, square battery winding core packaging machine, square winding core shell entering machine, and square battery (positive and negative) helium leak detection machine, among which the square battery (positive and negative) helium leak detection machine is an equipment used to test the sealing performance of batteries.