By using production technology of Bio-chemical corn polyols, corn starch could be hydrolyzed into sorbitol, which could be turned into ethylene glycol, propylene glycol, 1,4-butanediol and other chemical products by hydrocrack. 玉米生物化工醇以玉米淀粉为原料糖化裂解生产山梨醇,再将糖化得到的山梨醇加氢裂解成乙二醇、1,4-丁二醇、丙二醇等化工醇产品。