Product Features:
1. able to carry high loads
2. with carbon steel ball bearing
3. with a high load-bearing capacity
4. more quietly than metal roller bearings
5. low noise, stable performance and durable
6. able to work in sub-zero temperatures and have low rolling resistance
7. suitable for countless applications: sliding doors, windows and other furniture Quantity Per Month: 500000 Patent No./Country: ISO: 9001 Delivery Way - Date Of Delivery: 3-5 working days