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4R Energy Saving Spring

The design concept of 4R Energy Saving Spring is derived from Reduce, Reuse, Recycle, and Recovery. Its oval loops are made of 4 circles. The degree of resistance to pressure is higher than the similar class of spring while the spring is saving energy. 4R Energy Saving Spring uses polymer mechanics and is twining with vertical ovals.which imitates the beams of houses and the arched bridge. The world is first vertical ovals handle supre strong pressure, and strengthen the ability of being deformed or destroyed.

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