1. What's the attached material? Choose the suitable series according to the attached material.
2. The specification of material attracted? such as weight,length,width or number.
3. The specification of hoist, such as: tonnage, height and brake type of hook.
4. The application environment, such as temperature of material attached, indoor or outdoor.
5. The duty cycle: when exceed 60%, choose high frequency type.
6. Selection of corollary equipment: cable reel and control cabinet.
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