他的研究罗列出了八个成本效益好的政策。
不管客户的工厂位于什么地方或是拥有多少工厂，该公司都以其全国范围内统一的最佳实践为客户交付高质量、成本效益好的解决方案。
And no matter where your facility is located, or how many facilities you have, our nationwide uniform best practices let us deliver the high-quality, cost-effective solutions you expect.
得出了天然硅灰石制备硅溶胶工艺属首创，能够利用天然资源，成本低， 经济效益好的结论。
The preparative process of silica sol with natural wollastonite belonged to first origination, Natural resource was used, low cost and good economic benefit were obtained.
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