Zhuzhou ZhengWei Cemented Carbide Co., Ltd. found in 2016 ,is located in Zhuzhou, Hunan, China, which is known as "the largest cemented carbide production base in Asia". With more than 10 years of experience in manufacturing and exporting,we continuously dedicates ourselves to design and research,manufacturing tungsten wearing parts for concrete pumping machines. Our main products are concrete wearing parts,such as spectacle wear plats,cutting rings,s-valves and other wearing parts.These main products produced in our own plants,with top grade raw materials and high-techs,good quality and performance at value prices.Also we induced some other premium products from our friendship factories,for example, hoses,pipelines,elbows,couple clamps,delivery cylinders etc. to meet customers one-stop-shop purchasing with little margin.Every products will be final to strictly inspect before it shipping to guarantee the quality.