Metal elastic force ring inside piston rings can add initial elastic force of the non-metallic piston ring to get expectative seal effect.

在活塞环的内侧设置金属的弹力环增加非金属活塞环的预弹力，可到达预期的密封效果。

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Spray Polyurea Elastic(SPUA) is new-fashioned technology of non-solvent and non-pollution adverse effect.

喷涂聚脲弹性体技术是一种新型无溶剂、无污染的绿色施工技术。

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FUNCTION: Nature, gentle, non-greasy feel its better whitening effect, it can penetrate into the skin, skin conditioning, uniform colour, cause skin recovery more elastic skin, white, good.

产品功能：性质轻柔、无油腻感，发挥其更发的美白功效，能迅速渗透至肌肤，调理肌肤，均匀肤色，令肌肤恢复弹性，让肌肤更粉嫩白皙。

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