Others engage in product development or marketing for dental suppliers.

其他人则从事于产品的研发或者为牙科供应商开发市场。

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I resigned, and entered a Sino-French joint venture group that is to continue to engage in new product development, in fact, it is a process engineer.

我辞职了，进入了一家中法合资的集团公司，说是继续从事新产品开发，可实际上就是工艺工程师。

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We also have agency in most area of China. We still engage in other lighting product development except for metal crystal lighting product.

国际大部分地区也有我们的代理。如今我们除了在五金水晶照明产品研发外，还正在努力于其它照明产品的开发。

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