Ductile iron pipe, ductile iron pipe ductile iron pipe prices Specifications Model: [Ductile iron pipes centrifugal ductile iron pipes] DN80-DN100-DN150-DN200-DN250-DN300-DN350-DN400-DN500-DN600-DN700-DN800-DN900-DN1000 -DN1200 1. Product Standard GB / T 13295-2003 water and gas pipes with ductile iron pipes, fittings and accessories GB / T 17457-1998 ductile iron pipe centrifugal cement mortar lining - General requirements GB / T 17458-1998 ductile iron pipe Centrifugal cement mortar lining ingredients fresh mortar test GB / T 17459-1998 ductile iron pipe bitumen coating GB / T 17456 ductile iron pipe exterior spray zinc GB / T 17219-1998 in drinking water equipment and protective materials The safety evaluation criteria cast iron drainage pipe pieces, the implementation of national GB / T13295-91 standard ISO2531-K9 grade. DN1200-1600mm centrifugal ductile iron pipe technology and equipment through the National Machinery Bureau of new products and new technology achievement appraisal; DN1800-2600mm large diameter ductile iron pipe project was listed as a national technology industry demonstration projects; epoxy ceramic-lined ductile Cast iron pipe through scientific and technological achievements of the Ministry of Construction to assess cast iron drainage pipe connection, the technical indicators have reached the United States inspection standards, bulk exports to fill the gap; cast iron drainage pipe fittings, cast iron drainage pipe Taian, Liaocheng virtue by virtue Pipe Tube Industry Limited. Liaocheng virtue Pipe Co., Ltd. (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.com) strong, credible, Liaocheng in Shandong steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead virtue of Industry and you work into the brilliant, for a better future!