Profile: Quality Assured Industrial Services Ltd. is a compressed air and energy saving solutions provider. We manufacture compressed air equipment. We serve chemicals, petrochemicals, engineering, manufacturing and commercial sectors. We offer fixed & variable speed, oil free & lubricated, piston, screw and dynamic compressors. Element replacement indicator is one of our main products. It is an approach to filter maintenance. It provides an easy visible indication to replace the filter element at the optimal time to avoid high pressure drop and minimize energy consumption. Compressors, filters, compressed air dryers, blowers and system control are some of the products we cater with. We also enhance with plant installation services. This includes high efficiency aluminum, galvanized mild steel, natural gas systems, specialty gas system, high pressure system, electrical installation, air treatment plant, chiller system support, air conditioning system support, and vacuum system maintenance, supply & installation.