Rolastar Pvt. Ltd manufactures Hanging System with Slotted Channel. Rolastar Pvt. Ltd. Is certified to SMACNA DW/143 standards for ultra -low air leakage and high structural rigidity. The Company is also nominated by BRY - AIR 2006 Awards for best Product design. The Company also manufactures factory-fabricated ducting. The Hanging System with Slotted Channel is made from galvanized steel. The Hanging System with Slotted Channel is available in different sizes. This system is cost-efficient and easy to use.