Improvement of cold starting and cold idling circulation(engine warming up)combustion process of motorcycle gasoline engines by dual-spark plug-based rapid burning system was introduced.

为了改善电喷汽油机冷起动及冷态怠速运转（即暖车过程）性能，自行研制了基于高能双火花塞点火的快速燃烧系统。

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Use of the fourth generation multigrade oil for diesel engine can cut down the warming up hours, save energy, reduce engine wear, and so on.

多级四代机油具有良好的低温起动性能以及节能性能，使用该油品可以缩短打温时间、节约能源、减少柴油机磨损等。

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