YMC was founded in 1980. In the past 35 years, we have established branches in 6 countries all over the world. YMC high performance liquid chromatography column is widely used in the world, with a good reputation and reputation. Its unique high quality products have been proven to be excellent in reproducibility and stability by quality-conscious customers from all over the world. YMC focuses on packing and analytical and preparative columns for high performance liquid chromatography and provides relevant upstream products such as preparative chromatography systems and related instruments.