Ningbo Xinrong Electric Co., Ltd. and Ningbo Xinrong Electrical Technology Co., Ltd., formerly known as Ningbo Capacitor Factory (established in 1969), are one of the largest professional manufacturers of metalized capacitors in China. The enterprise has world-class production equipment today, and its main products adopt international standards.
It has passed certifications such as CQC, IECQ, ISO9000, ISO14001, OHSAS18001, UL, CUL, TUV, and VDE, and is one of the top 100 electronic components enterprises in China and a national high-tech enterprise.
"Ningrong Brand" is a famous brand product in Zhejiang, and the "Ningrong Brand" trademark is a famous brand trademark in Zhejiang Province.
The company's mission is to prioritize customers, prioritize people, and pursue excellence.
1969- Oil immersed paper foil capacitors
1985- The first domestic company to introduce Japanese metallized thin film capacitor technology
1987- Mass production of metallized thin film power capacitors
2009- Collaborated with Hitachi AIC in Japan to produce DC link industrial and automotive capacitors for new energy use
2012- Development and promotion of large capacity support and energy storage capacitors in the locomotive and shipbuilding fields
2013- Starting to enter the domestic electric vehicle capacitor market
2015- Development of MKP4 capacitors widely used in the fields of photovoltaics, automotive electronics, and variable frequency control
2017- Research and mass production of capacitors for medical devices (AED) in collaboration with National Offshore University of Technology to develop high-power energy storage capacitors
2020- Research and development of capacitors for DC transmission and transformation
2022- Research and development of through-hole capacitors