... , sliding cantilever gate, sliding door, folding door and electric retractable door, fence, farm, steel door track etc.We specialize in manufacturing: 1. Sliding Gate Wheel, Sliding Gate Track, Sliding ... Stop, Guide Roller Bracket, Gate Guide Wheel, Adjustable Bottom Plate, End Cap for the Cantilever Gate. 3. Hanger Roller, steel door track , Door Tracks ...