1981~1999 Shijiazhuang Pump Work Factory got license produce Warman Pumps,KSB KWP, coordinate produce OEM Goulds,Magnum,Russia ZSP 2002~ Shijiahzuang Pump Work Factory was closed down and the Warman production license expires at the same time.After,workers build new factory called Naipu® Pump,and design new Naipu® NAH,NSP,NHE,NHF etc series slurry pumps. 2003~2005 Naipu® Pump take part in some important projects in the national economy,such as Ti-Ni ore Taiyuan,Gold Mine Heihe,Power Station Beijing,etc. 2005~2015 Naipu® Pump develop and devoted to be a highly responsible and qualified supplier to service Global Customers.Successful design OEM produce Naipu® NJC,NI,N250,NXP,N3196 mud and chemical pumps,hydrocyclone,water pumps. 2015~2020 Naipu® Pump bulid new environmentally friendly factory which workshop 40,000 m2,prefessional workers 150,manufacturing equipments 110 sets,Annual production capacity 5,000 set pumps,5,000 tons spares. 2021~Naipu® Pump will continue to be pragmatic and enterprising, and serve every customer well. Hereby declare: Naipu® products are not directly related to any brands,we only do OEM or ODM production and a series of products developed by ourselves.