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Comifo is a top flanging machine manufacturers in China,who is specializes in manufacturing, contracting and selling flanging machine,HVAC air conditioning equipments, HVAC machinery, valve and actuators.
There are mainly two kinds of flange systems in flanging machine manufacturers. American standard and European standard, which is TDF flange recommended by SMACNA association and TTF/LT mate flange as well as improved GDF flange recommended by British Refrigeration Association.