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Ukrayna

I am a representative of the LLC and we are interested in ordering metal corners with such dimensions: Corner 40*40*5*6000/st 3 weight 217,7 tons Corner 30*30*4*6000/st 3 weight 69,5 tons Corner 60*40*5*6000/st 3 weight 147,1 tons I wonder what the price and terms will be for the manufacture of these corners?