所有承办主要工务工程的顾问公司和承建商，已建立自己的品质管理系统，并获得ISO 9000的品质认证。
All consultants and contractors undertaking major public works projects have established their own quality management systems and obtained ISO9000 certificates.
所有承办主要工务工程的顾问公司和承建商，已建立自己的品质管理系统，并获得ISO 9000的品质认证。
All consultants and contractors undertaking major public works projects have established their own quality management systems and obtained ISO9000 certificates.
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