Luit nirman

Want fabricator to do above - 8000pc .Step fabricate fromERW Tube nb 50,40,30,25 includes drilling 10 holes thru 2 walls .Finally Fabricated pipe Length3.5 mtr is to be Hot Dip Galvanized. Can you undertake .Please e-mail confirm and indicate rates on basis of zinc uptake or whatever system you use for pricing