我们不断积累，不断提高产品质量。
We continue to accumulate, and continuously improve product quality.
坚持行之有效的质量管理方法，不断提高产品质量。
Stick to effective quality control methods and continuously improve the quality of the products.
不断提高产品质量以提高产品市场竞争力是营销企业的理性选择。
It is a rational choice of marketing enterprises to continuously enhance the product quality in order to im prove competitiveness of market.
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