通过回一处理，将所有环保因素同一，建立综合环保指标。

All environmental factors are unified to establish an integrated environmental indicator.

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我们设计制作的手提袋、包装盒都完全达到国家环保指标要求，分为食品级包装，可回收包装、绿色包装等。

We designed and manufactured bag, packing boxes are fully meet the national environmental standards requirements, divided into food-grade packaging, returnable packaging, green packaging.

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石油产品的硫含量质量指标，是与发动机的腐蚀及环保排放有关的重要项目。

The quality specification for sulphur contents in petroleum products is an important item related to engine corrosion and environmental emission.

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