We Construction Aid and Logistics Limited in short – CALL has been representing Degussa Construction Chemicals Singapore Pte Ltd (Previously known as Master Builders Technologies or, in short, MBT) as the Sole Agent for Bangladesh since 1998. The company name of our principal has been changed from “Degussa Construction Chemicals” to “BASF Construction Chemicals” in 2006 & 2021 “BASF Construction Chemicals” has been changed to MBS (Master Builders Solution).In 2023 Sika & Master Builders Solution are merged together. So, We are the authorized distributer of Sika Bangladesh. We have supplied construction chemicals and related materials such as concrete admixtures, specialist grouts, waterproofing systems, performance flooring, and FRP strengthening systems to numerous projects – Rooppur Nuclear Power Plant, Moghbazar fly-over, Pakiza Knit Composite, Al Muslim Group, Confedence Group, NDE, AFCON, Opsonin Pharma ,Bashundhara Shopping Mall, Jamuna Future Park, North-South University Complex, Nassir Glass Factory, Westin Hotel, Pran Group, Square Group and almost all Ready-Mixed Concrete –– just to mention a few. Our excellent track record and reputation have been built over the years through our dedication, quality service, technical backup and support, and, professional advice and guidance to our valued clients.