□ SISIKU's unique point - Box style wheel.
□Center coil spring type absorbs shock and vibration from every direction, and reduces noise in operation.
□Thanks to shock absorbing function, impact loading to swivel head and wheel bearing can be lowered, leading to an increased service life of the product.
□Wheel with grease-packed precision ball bearings. 
- Smooth and silent rolling without subsequent lubrication. 
□For nonstandard springs, please consult us. 

□For precision equipment and carrying parts.
□For automatic guided carts and towing carts.

We'll accept your custom-order. Please feel free to contact us.。