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。
2
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).