Dimensions of the outer diameter of the pipes DIAMETER OF PIPE CAST IRON STEEL U-PVC ABS DUCTIL IRON GRP Dimensions of the outer diameter of the pipes factory Tangestan IV, Ghazali Gharbi Boulevard, Abu Reihan Boulevard, E shtehard Industrial Town, Eshtehard, Alborz,IRANPhone : 2-37773930-026fax : 37773932-026 central office Unit 408, third and fourth floor, White Tower, Pasdaran St., Tehran, IRANphone: 27640-021fax: 22569144-021