Purchase Qty. Reference FOB Price
1,000-4,999 Pieces US$0.05
5,000-9,999 Pieces US$0.04
10,000-49,999 Pieces US$0.03
50,000+ Pieces US$0.02
Product Description
Door &Window Roller The roller wheels are usually made of two parts, one is the inside bearing and the other is the plastic shell covered on the bearing. Bearing Material: Chrome Steel (GCr15), Carbon Steel Sheel Material: Nylon, Imported POM, PA66, TPE, PU, etc. Size: Customized based on ...