创业二，最新的汽化炉开发与销售。
Venture II, the latest development and sales of vaporization furnace.
龙欣公司专业从事专用集成电路设计、开发与销售。
Long welcomed the company specializes in application-specific integrated circuit design, development and sales.
我公司是专业从事过滤技术的研究、产品的开发与销售。
Our company is specialized in filter technology research, product development and sales.
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