Zhuzhou ZhengWei Cemented Carbide Co.,Ltd. professional in manufacturing and exporting tungsten carbide wearing parts for concrete pumps for more than 7 years. We continuously keep innovation and dedicate ourselves to designing, producing and selling high quality products to meet clients' ultimate demands and diverse world market. Main products include spectacle wearing plates,cutting rings, S-valves, pipelines, elbows, delivery cylinders, etc. All the products are made of top-grade raw materials by high tech, stable quality, and good performance, its genuine spare parts for brand ZOOMLION,PUTZMEISTER,SANY,CIFA,SERMAC,JUNJIN,KCP,etc.each product is popular with the world aftermarket.