interplast , a primary member of Harwal Group along with the other companies, Interplast, Cosmoplast and Intermetal exhibited its wide range of building materials at the 2015 Project Qatar show which was held from 4th-7th May at QNCC , Doha. Harwal Group showcased its diverse and comprehensive range of Building Material Products, Building Systems, Switches & Sockets, Electrical Cable Management Systems, Aluminum Composite Panels, Doors & Windows and Pipeline Systems. interplast products on display included a Pre-Engineered Building mockup constructed with the new lightweight concrete wall system & cold rolled steel frame. Other products included composite panels and fire-rated panels for warehouses and prefab buildings, PIR and PU panels for cold stores and refrigerated trucks.