Hydroplast Dealers in Pakistan. AR Corporation for Islamabad & Rawalpindi 0322-3540656. Irfan Traders for Karachi 0321-2248975 Hydroplast Dealers in Pakistan – uPVC Schedule 80 Hydroplast (Pvt.) Ltd., headquartered in Karachi, Pakistan, is a trusted manufacturer and supplier of thermoplastic piping systems—most notably uPVC Schedule 80 (Sch 80) pipes and fittings. Their product line includes a […]