Gelonghui, March 8, 丨 Jin Tongling (300091.SZ) said on the investor interactive platform that the hydrogen fuel cell air compressors produced by the company have now been officially tested and sales and promotion work has been carried out. The main customer groups involved vehicle manufacturers and manufacturers in fuel cell-related production lines such as engine systems and electric stacks that support vehicles. This matter will not have a significant impact on the company's operating performance in the short term.