Shijiazhuang Zhongtang machinery and equipment manufacturing Co., Ltd has been more than ten years of development history. Shijiazhuang Zhongtang owns the core technology and leading design method of slurry pump, desulphurization pump, sludge pump and so on. A group of high quality technology and management talent were gathered in the company by the people-oriented idea. All of them have many years of experience in the development and application of slurry pump. In recent years, through the cooperation with foreign professional consulting company, we absorbed the most advanced international emerging technologies and have ability to supply more than 10 series, more than 100 sizes of pump products. The company has the casting, machining, welding, heat treatment and the assembly shops. The new technology of wear-resistant alloy smelting, advanced casting process and heat treatment are adopted to ensure the smooth surface and dense internal organization of the castings. At the same time, the advanced high quality tools and reasonable cutting process are adopted to solve the high hardness and wear resistant of the materials, and the precision and machining efficiency of the wear resistance castings are improved greatly. We have perfect quality guarantee system and effective quality supervision and management mechanism to ensure perfect quality of the product from casting to assembly. The products have been sold overseas since 2008. Now the products have been exported to Europe, the Middle East, South America and other countries and regions.