Their products used to have a lot of quality issues but they have greatly improved their quality control. This kind of issues have become very rare.追问
不错！谢谢！！！
第2个回答 2019-11-19
In the past, their products often had quality problems, but now they have improved a lot, and there are very few quality problems!追问
很不错！谢谢！
第3个回答 2019-11-19
In the past, there always had some quality problems with their products, however, nowadays, the quality has been improved a lot and seldom have problems.追问
非常感谢！非常好！
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第4个回答 2019-11-19
Their products often had quality problems before. But now they improve the products quality a lot and have very few quality problems.