Graphite cast iron graphite is spherical equivalent spherical cast iron there are many gaps. Influence of spherical voids than a sheet of cast iron strength small gap, so high strength ductile cast iron strength than normal number of "ductile iron pipe." publish and implement national standards, is a tube mold manufacturing industry is a major event for the tube mold industry provides an important foundation for the rapid development of 500 ductile iron pipe prices, the strengthening of pipe mold product quality requirements, specifications of the product market pipe mold, protect and promote the sustainable development of China's mold industry and the tube to improve the international competitiveness of China's manufacturing industries have played a positive role in promoting. Leading products include steel, ductile iron pipe and water use fittings and building drainage W-type flexible cast iron pipe and fittings, accessories and boiler tubes grate accessories specialist. Companies in strict accordance with ISO9001: 2000 quality management system standard build quality system ductile iron pipe prices, use of advanced equipment and the latest technology at home and abroad casting products, provide users with reliable quality assurance. Products: the use of the production of seamless steel as a raw material for processing, in a relatively short period of time by a fine coarse seamless 300 ductile iron pipe prices, to the specifications required by customers. Liaocheng virtue Pipe Co., Ltd. is a production and sales: ductile iron pipe, flexible interface cast iron pipes, fittings, large enterprise specialized in ductile pipe fittings, manhole covers casting the production process have reached advanced domestic level. Ductile iron pipe fittings strictly enforce the national standard GB13295-2003 and international standards of ISO2531, EN545 standard k9 ductile iron pipe prices, covers the implementation of EN124 standard. At present, our company's pipe products specifications DN80-DN800, also can arrange production according to other standards required by the user. Fittings annual production of two hundred thousand tons have been sold to domestic provinces and Europe, the Middle East, Southeast Asia and other countries and regions. Perfection Since its establishment, has always pursued 'quality first' purpose, mold shop, machine shop, hydraulic workshops, laboratories, workshops and other sand processing and testing equipment, and in 2002 passed the ISO9001: 2000 quality management system certification. 300 ductile iron pipe prices | virtues of Industry (Online) | ductile iron pipe prices, Ltd. Liaocheng by virtue of Industry. Liaocheng virtue Pipe Co., Ltd. (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.com) Shandong Liaocheng, steel leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In virtue tube industry leadership with the staff warmly welcome all inquiries negotiations to create the virtues of Industry a better future.