Chinese case manufacturers compete vigorously for narrow margins .

中国的保护套生产厂商竞争激烈，但利润非常稀薄。

It has managed to grow by outflanking slow-moving competitors used to fat margins .

通过独特的定价战略，它战胜了那些行动迟缓、惯于享受丰厚利润的竞争对手，获得了成长。

Quite the opposite : the market for those products is highly competitive , keeping margins razor-thin .

恰恰相反，这些产品所在的市场竞争激烈，且利润如同刀片一样微薄。

By raising them 25 % , I increased my gross margins by 13 percentage points .

后来，我们把价格提高了25%，公司的毛利润由此增加了13个百分点。

The company 's gross margins have improved from 32.3 % in 2009 to 34.8 % in 2012 .

公司总利润从2009年的32.3%提升到2012年的34.8%。