Find Phone number, Location Address and all other information of RAZZAK ENGINEERING CO. (PVT) LTD. Karachi on Branches.pk – Pakistan’s Largest Branches directory. RAZZAK ENGINEERING CO. (PVT) LTD. is a Karachi based company offering services / Products in Karachi as well as in other major cities of Pakistan, you can contact them directly on Phone number32571297,-32571666