Tender For tender for supply of 2 x 2 gi nipple , 2 x 4 gi nipple , 2 x 6 gi nipple , 2 x 8 gi nipple , 2 x 12 gi nipple , 3 inch sluice valve , 4 inch sluice valve , 50 mm hdpe pipe , 65 mm hdpe pipe , 75 mm hdpe pipe , 90 mm hdpe pipe , 110 mm hdpe pipe