Where are foreign brands of endoscopes better than domestic brands? What are the leading points in technology?

Excellent material, no endoscope camera system. The new films are basically imported in China and are relatively stable. The earliest invention of endoscope was independently developed by Germany and STORZ, a century-old enterprise, and now it is not bad made in China. Shanghai Yin Shi imported German technology for production and research in Shanghai, and further improved the technology on the original basis, with no problem in operation.