Anhui Suns Ductile Iron Pipes Co., Ltd was found in 2002 which is the a professional manufacture of ductile iron pipes and fittings, annul production amount including 500000 tons pipes and 30000 tones fittings from size DN80 to DN1600 and passed the ISO2531 and EN545 standard , it is also one of the drafter of the Chinese national standard -GB/T13295.