我们同意生产的工程变更通知前，请勿实施这些变更内容。
Please do not implement these changes until we approved these ECN for production.
若施工期间出现工程变更，则工程变更通知单要符合合同中的单价比率规定。
If there is a change order during the construction period, the change order shall adopt the unit rate price of the contract.
编制评估承包商投标书的文件，并提供其它与工程变更通知或施工投标书相关的服务。
Preparing documents evaluating Contractor's proposals, a nd providing other services in connection with Change Orders or Construction proposals.
编制评估承包商投标书的文件，并提供其它与工程变更通知或施工投标书相关的服务。
Preparing documents evaluating Contractor's proposals, a nd providing other services in connection with Change Orders or Construction proposals.
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