最后，根据上述理论模型设计开发了专用成本信息系统，在国内一家典型大型机械制造企业&大连冰山集团冷冻机股份有限公司得到了实际应用，对模型的有效性进行了验证。
The system has been applied in Dalian Refrigeration Co. Ltd. of China , which is a typical large mechanical manufacturing company . The effectiveness of the models is verified .
大连冰山集团有限公司