Professional production of extension spring, compression spring, retainer, torsion, flat springs, scroll spring, battery spring, shaped spring, oil seal springs, automobile springs and so on;

专业生产各种拉簧、压簧、卡簧、扭簧、扁弹簧、涡卷弹簧、电池簧、异形簧、油封弹簧、汽车弹簧等各种弹簧产品；

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At the end of the paper, a new type of excellent seal for oil-gas spring is introduced.

最后介绍了一种性能优良的油气弹簧密封。

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