可根据客户的特殊要求，签订技术、质量保证协议。
According to the special requirements of customers, the signing of the technical, quality assurance protocol.
用户应与厂商签订严格的技术协议，明确检查验收条款，并结合API相关标准进行无损检测，以确保质量。
It is put forward that technical agreement and reception specification should be set up by user and manufacturer, and NDT should be carried out according to API standard to ensure the quality.
用户应与厂商签订严格的技术协议，明确检查验收条款，并结合API相关标准进行无损检测，以确保质量。
It is put forward that technical agreement and reception specification should be set up by user and manufacturer, and NDT should be carried out according to API standard to ensure the quality.
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