Why does German Nano keep falling?

The benefit is not good. By the end of 65438+February 2022 and 65438+May, the German Nano had been falling because of its poor efficiency. Founded in 2007, Shenzhen Fangde Nano-technology Co., Ltd. is a high-tech enterprise dedicated to the development and industrialization of nano-powder materials preparation technology, integrating the R&D, production, preparation and sales of nano-powder materials and nano-powder materials application products.