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
1) The housing is made of plastic / aluminum / zinc / pressed steel material according to customers' requirements
1) The housing is made of plastic / aluminum / zinc / pressed steel material
according to customers' requirements
2) The rollers outer ring