Constrution Characteristics:
1,Use PA66+GF,POM,Personal computer,Large-good quality engineering plastics
two.Metal main technological innovation
3.Higher-high quality piano wire springs
four.3 level springback kind loafer
five.Clutch reserved chain installation holes layout.

Performance Features:
1.Clutch reduction ratio 1:1.5
two.No-load tension is significantly less than .3kg
three.Max load 5KG,use for roller blinds less than seven m²
four.Utilize to 37.two-37.8 mm tube