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
Place of Origin:Zhejiang,China (Mainland)
Function:Used For
door,window
Export Area:overseas
Brand Name:JIN LIN
Certificate:ISO90001:2000