The design of apperance is fashionable;
Use PA66+GF,POM,PC, high-quality engineering plastics;
Up and down localizer, specification 4.5m,9m can be choosen;
The design of cassette is large size spaces. Max height of roller blinds can be 4.5m;
K55 rotating clutch with decelerate rate 1: 1 and 1:1.5 can be choosen;