Tianjin Lishen Battery Joint-stock Co.,Ltd is a high-tech enterprise with independent intellectual property rights and core technology, specializing in the R&D, production and operation of lithium-ion battery technology. So far, it has become a professional manufacturer of lithium-ion battery with the largest investment scale and the highest technical level in China, and ranks in the top group of the lithium battery industry in the world. The HBY cross flow type closed cooling towers of Huatal were purchased in 2016 and has been successfully put into use.