On April 23rd, Shanghai Belling (15.82 -1.62%, diagnostic stocks) said on the interactive platform that the Shanghai Belling high-speed high-precision ADC business was positioned to provide autonomous and controllable ADC chips for special equipment. In recent years, the company has continued to invest in R&D. , Has developed a number of high-speed high-precision pipeline ADC products and has achieved small-batch sales. The company currently does not produce and sell PLL products.