China OEM Cheap Single Pulley plus Screw pulley system

Type: WheelMaterial: SteelProduct name: Single Pulley plus Screw (single bearing, Y/V/U/H groove)Size: 40/50/60/70/80/85//90/100/120/140/160mmSurface treatment: Yellow/white /color zinc platedBearing: single bearingGroove: U/V/Y /H groovePayment Term: T/T...