Malleable fittings include elbows, tees, couplings and round flange etc. Floor flange is very popular to anchor items to the ground. High precision equipment is quality assurance. Our factory are the first to use the electric stove for castings and electric facility in annealing and galvanizing process, besides we had improved the equipments, used to yellow shells , the goods produced by new casting line no matter inside or outside is very smooth and shining.