Changsha Ruitong Engineering Machinery Co.,Ltd is a large-scale company which speciliazes in concrete pump accessories wholesale. We occupied in concrete machinery industry in 2006, and our main businesses were leasing and maintaining of pump trucks, buying and selling of second-hand pump trucks. We started the concrete pump accessories business in 2009. Our main spare parts include:1. Pump series ( Rexroth, Kawasaki, Hawe)2. Reducer series ( Brevini, Comer, Sany)3. Motor series (Sany, Zoomlion)4. Concrete steel series5. Hydraulic parts series ( Vickers, Rexroth, Duplomatic) 6. Transfer case series ( Stiebel, Sany, NSK)7. Other spare parts (Wear plate & cutting ring, S valve/S-tube/S-pipe, Pipe and elbow, Clamp & Flange, Wearing sleeve, Delivery cylinder, Pistons)