Huayu Electric has built Ningbo Municipal Engineering Technology Center, all products are self-developed and designed, with independent intellectual property rights, has a combination of old, middle and young and pragmatic and innovative technology R & D team, with strong R & D capabilities and innovative spirit, based on the forefront of the industry, and constantly use leading ideas to innovate technology, with professional design software, multi-faceted optimization of products, for users to develop various solutions, overcome a number of technical problems required by power grid enterprises, and obtained more than 40 patents for inventions and utility models.