实验室是否有小孩产品安全测试设备？

Does the lab have safety testing equipment as appropriate for Children's product?

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白牌手机制造商享有成本优势，因为它们不做任何产品安全测试，也不提供任何担保或售后服务。

Whitebox manufacturers enjoy a cost advantage as they do not do any product safety tests and do not offer any guarantees or after-sales service.

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每个测试都起到质量反馈回路的作用，给那些想修改产品代码的人创建了一个安全保护网，以及一份可以执行的文档。

Each test will serve as a quality feedback loop, creating both a safety net and an executable form of documentation for anyone who wants to change the production code.

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