1) The housing is made of plastic / aluminum / zinc / pressed steel material
according to customers' requirements
2) The rollers outer ring is made of plastic materials (POM, PP, PA, nylon)
or metal material, with excellent surface for sliding windows and doors
3) The
inner ring is made of carbon steel with zinc plated, with excellent
resistance to corrosion capacity
4) The
roller set with long life performance
Packaging & Delivery
Packaging Detail: Packaging according to customer requirements
Delivery Detail: 5-15days