screw Jacks

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JWM (trapezoidal screw) is suitable for low
Speed and low frequency.
Main components: Precision trapezoid screw pair
And high precision worm-gears pair
1. Economical
Compact design, easy operation, convenient maintenance
2. Low speed, low frequency:
 Be suitable for heavy load .low speed, low service frequency
3. Self-lock
 Trapezoid screw has self-lock function, it can hold up load without braking device when screw stops traveling.
Braking device equipped for self-lock will be of malfunction accidentally when large jolt & impact load occur.

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Ms. Alice (manager)
Tel: 86-10-87973766
Mobile: 86-13693586065
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Beijing Saini Transimission & Machinary Equipment Co.,Ltd
No.47, Keji Road West, Jiugong Town, Daxing District, Beijing, China (Mainland) / 100086
Fax: 86-10-87970800
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