The parallel blade damper is the ZD series damper. These dampers have been designed to provide long life, silent operation and require zero maintenance.
平行叶片风门是ZD系列风门。这些风门的设计使用寿命很长，运行安静，不需要进行维护。
If the rolling dies are not preciously designed or the machining operation is not properly implemented, there is an influence on the profile accuracy, noise and service life of the workpiece gears.
若辊模设计不合理或加工方法不当，将影响工件齿轮的齿形精度，产生噪声，降低使用寿命。
Ne Series hoist is designed reasonable, high hoist, long service life, reliable operation, energy efficient and easy to maintain and repair.
NE型系列提升机设计合理、提升高、使用寿命长、运转可靠、节能高效，维修方便，广泛应用于建材、化工、矿山等行业。
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