Zhejiang Laifual harmonic drive Corporation Ltd. (ZLHD) is a professional company which is engaged in researching, designing and production of precise harmonic gear drive device.
浙江来福谐波传动股份有限公司，是一家从事高精密谐波减速器的专业化公司。
Gear drive is an important kind of driving device in mechanical equipment.
齿轮传动是机械装备中重要的传动装置。
The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate.
本装置由人力操作手轮，通过锥形齿轮等减速传动，直接驱动阀门阀杆上下移动，启闭阀门。
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