In 2005, we took the lead in passing China Refrigeration and Air-conditioning Industry Association CRAA Certification and HVAC Axial fan Manufacture License in this line.

2005年在行业内率先通过了中国制冷空调工业协会CRAA认证，暖通空调用风机生产许可证。

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After theoretical studies, the article selects two projects to demonstrate the method of Debt-payment Ability Assessment (DAA) and Creditor's Right Asset Appraisal (CRAA).

在理论研究之后，根据所提出的方法，选取了两个案例分别进行了偿债能力评估和债权资产的实证研究。

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