维修许可证 meaning in Chinese

maintenance organization approval

The productive capacity of elevators , escalators , and moving walks reach 10000 units annually . giantkone has not only passed the authentication of iso9001 - 2000 quality management system , iso14001 environment management system and ce mark , but also get the class - a certificates of manufacturing , installation and maintenance . we launched the mc system mass customization management system that is the most advanced in china
公司通过iso9001质量管理体系iso14001环境管理体系国际认证和主导产品欧盟ce认证，拥有国内同行业中高级别的制造许可证和a级安装改造维修许可证国家级攻关项目“大批量定制的产品配置管理技术的研究及其在电梯行业中的应用”简称mc在国内同行业中处于领先水平。