What about your company's QC management?

公司的品质何？

In many ways, bottled water is less regulated than tap. Is it tastier?

在许多方面，瓶装水的品质自来水。它有比较好喝吗？

We established the strict QC standards and we have followed it for about five years with good results.

我们建立了严格的品质求，在这五年内, 我们一直遵守这个求，取得了良好的效果。

We have some quality-control problems. Mr. Zhang. We need to go to the source to work them out.

张先生，我们有一些品质的问题。我们必须找出问题的根源并且设法解决。

The least expensive. but still fully functional. And we think that your factory needs to take measures to improve quality-control.

我们是最便宜的但是也完备的功能啊。我们认为你们的工厂需采取有效措施来改善你们的品质。