Difficult to confirm the product model, and batch when it comes to product quality problem.

产品生产品种多、批量小，当制造过程及产品质量出现问题时，难以锁定产品型号，批次。

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Improve the quality of early warning systems: Internal problem reports, customer E-mail, or call center transcripts can yield important information about emerging product problems.

改进早期警报系统的质量：内部问题报告、客户电子邮件或呼叫中心谈话记录可以提供关于产品问题的重要信息。

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China's product quality watchdog yesterday claimed it had the problem under control.

中国国家质检总局昨日声称，问题已得到控制。

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