The resin column is core chromatographic equipment for separation, purification, decolorization, desalination and refining of materials, widely used in biopharm, plant extraction, food, beverage and water treatment industries. It is made of SUS304/316L stainless steel with mirror-polished inner wall, dead-angle-free and easy to clean, meeting hygienic and GMP standards. Filled with adsorption resin, ion exchange resin and other media, it realizes adsorption, separation and elution of target components as liquid passes through. Equipped with inlet/outlet, water distributor, sight glass and discharge port, it supports continuous or batch operation with high separation accuracy, strong recyclability and stable performance. It is suitable for purification of traditional Chinese medicine ingredients, fruit juice decolorization, sugar refining and wastewater treatment to improve product purity and quality.