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Shandong HongRi industry science and Technology Co Ltd has more than 35 years, become a China leadership and most respected dealer management system. From the branch of the national network of us, joint development program to provide one-stop residential, commercial, public and industrial building and civil engineering, utilities and agriculture project. Extrusion, injection and steel plastic composite pipe and fittings using modern, efficient production technology, so that we can provide the complete piping system for customers. Shandong HongRi pipe industry is a leading steel plastic composite pipe manufacturers in France for the production of large diameter
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