ZK Group of Companies. ZK group, is a Global group of heavy construction machinery ,high quality marble & petroleum products both famous at country and abroad, it is an export product having all necessary base qualities of heavy machinery , equipments ,marble & petroleum products. The products has been processing and updating on new pattern. It is located in Pakistan city Karachi, area of world widely known and esteemed Economic region where the tranportation is very secure and reliable to busine