Yang Quan SLS International Co;Ltd.Glad certified by ISO9001:2008.was founded in 2003  As a reliable supplier on concrete pump parts,We main produce delivery pipe ,elbow,reducer ,clamp,male/ female flange,   we also offer rubber    hose,cleaning ball,wear plate,cutting ring, etc.We have been engaged in this field over 6 years. The products are fitting to Schwing ,Elbow,Junjin , PM,Sany,Zoomlion,CIFA . and were exported to America, Canada, Australia, Germany, and Italy with good reputation.       Hope we make more progress in our business in soon future. Hope your reply.