Guangdong Ruirong Pump Industry Co., Ltd., founded in more than 28 years ago, is a large high and new technology enterprises in Guangdong Province of China, with large-scaled manufacturing base of high quality stainless steel well submersible pumps and motors. The presence of a Submersible Pump Engineering Research and Test Center inside our company enables us to develop new and advanced products for our customers. We utilize state-of-the-art technology from developed countries in the world, such as the USA, Germany and Italy. We can offer 3", 4", 6", and 8" oil cooling and water cooling submersible electric pumps, operating in 50Hz and 60Hz, with power ranging from 0.37kW to 110kW. Our products and designs conform to international standards, such as IEC-34-ICE and NEMA (American National Electrical Manufacturers Association).In 2001, we have attained ISO9001-2000 International Standardization Certification as well as CCC and CE safety certifications. We own 20 Chinese patents, MASTRA pump brand and EG motor brand.Ruirong is a qualified ODM and OEM manufacturers and exporters of electric submersible pumps in China. Our annual production quantity reaches presently 500,000 units, and our finished products are exported to over 40 countries in Europe, America, Africa, the Middle East and Southeast Asia, as well as Hong Kong and Macao. We also manufacture domestic submersible pumps, industrial drainage pumps, submersible sewage pumps and automatic controllers.