Suzhou Bojie Resin Techonology Co, Ltd in the production of macroporous adsorption resin absorption ability, long service life and stable physical and chemical properties, selective separation effect is good, practical, low cost, etc used in the purification of organic matter, the effect of extracting erythromycin is ideal, has been widely applied in the extraction process of erythromycin, get the domestic and foreign customers consistent high praise.