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。
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。
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.
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