_Professional concrete pump rubber hose,concrete spare parts manufacturers.Established in 2006,more than 8 years production history and mainly products have obtained national patent certification._Is a set research and development, production, sales and service in one of the professional team !_With products advanced performance, excellent quality, complete specifications and our perfect after-sales service, reasonable price , products sell well in the domestic markets and also exported to the Middle East, Europe ,North America and other counties.