bids are invited for 1 brass union-butt snap-up overlapped connection dn3 pn100 2 brass union-end snap-up overlapped connection dn6 pn100 3 brass union-end snap-up overlapped connection dn15 pn100 4 brass union-end snap-up overlapped connection dn20 pn100 5 brass union-end snap-up overlapped connection dn25 pn100 6 brass union-end snap-up overlapped connection dn32 pn100 7 brass screw-in union type 7 dn10 pn100 8 brass screw-in union with threaded end for pipe thread type 9 dn10 pn16 9 brass union-end snap-up reducing overlapped joint type 3 dn10/6 pn100 10 brass union-end snap-up reducing overlapped joint type 3 dn20/15 pn100 11 brass union-end snap-up reducing overlapped joint type 3 dn25/20 pn100 12 brass union-end snap-up reducing overlapped joint type 3 dn32/20 pn100 13 brass branch union type 10 dn10 pn40 14 brass branch union type 10 dn20 pn 40 15 brass branch union type 10 dn25 pn 40 16 brass branch union type 10 dn32 pn40 total quantity : 4168