Japan and the company is the production of gas and liquid chromatographic column of company, especially ULTRON ES-OVM series chiral liquid chromatographic column is a silicon kin alloy protein type chiral chromatographic column. Chiral separation is based on hydrophobic interactions and realize the polarity interaction. ULTRON ES-OVM series chromatographic column has set up a file in the national drug standards WS-(X-019) 2002 Z as specified in chiral chromatographic column, and in the international application is wider.