A review of all quality-related returns, complaints and recalls and the investigations performed at the time.
所有质量相关的退货、投诉和召回，以及当时进行的调查的回顾。
Related data statistics, now nearly 7 into real estate quality complaints from the house leaks.
相关数据统计，目前近7成房地产的质量投诉来自于房屋渗漏。
Be responsible for the investigation of all product quality related customer complaints and for ensuring that all corrective actions are effectively implemented in order to prevent re-occurrence.
负责调查相关产品的客户投诉，保证所有纠正措施能有效地执行，从而防止再发生。
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