Potentially, those filters serve as a policy enforcement layer where the message is first checked from the security and Quality of Service (QoS) standpoints, and then is queued for processing.

这些筛选器可能作为策略强制层，消息首先在这里经过安全和服务质量(QoS)检查，然后排队等待处理。

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Always follow the company has consistently adhered to the quality policy "quality first, reputation first", at any time to provide our clients with quality service.

公司始终遵循和一贯坚持“质量第一，信誉至上”的质量方针，随时为广大客户提供优质服务。

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Quality Policy: for the first time to do right, well, the high degree of customer satisfaction, competitive products and timely, accurate customer service!

品质政策：第一次就做对、做好，将客户高度满意、具有竞争力的产品及时、准确送达客户！

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