宁波桑尼电子有限公司创建于 1989 年，是一家与中科院电子学研究所、日本嘉臻工业株式会社合作，集科研、生产、营销于一体，质量体系通过 ISO9000 认证的 PTC 元器件专业生产企业，公司除拥有先进的生产、 检测、试验设备和生产工艺外，并具有 PTC 材料二次研发、设计、生产和配套能力。
宁波桑尼电子有限公司注册资本 8000 万元人民币，坐落于宁波国家高新技术产业开发区，占地 30 亩， 建筑面积 30000 平方米。其生产的 PTC 电热元件、恒温加热器、液体加热器、风扇型发热器等产品已应用于 C919 飞机、动车、家电、机电、汽车、半导体电锅炉等领域，配套于航达、日立、三菱、松下、象印等国内外知名企业。并获 100 余项发明、实用新型和外观专利。
宁波桑尼电子有限公司为 QB/T2164-2013 风扇型 PTC 发热器国家标准起草组长单位、浙江省高新技术企业，其 PTC 项目为国家火炬计划项目。为保障顾客在市场竞争中的优势，公司所生产的系列 PTC 元器件均严格执行相关国际标准、国家标准和行业标准，并以同侪之冠之产品与顾客携手共创未来。
Ningbo Sangni Electronics Co., Ltd. was established in 1989 as the PTC components manufacturer with the combination of scientific research, production and marketing, and has passed the ISO9000 Quality Management System Certification. Cooperating with the Institute of Electrics, Chinese Academy of Sciences and Kashing Industrial Co., Ltd.(JP), Ningbo Sangni Electronics Co., Ltd. in addition to advanced production, testing, testing equipment and production technology, and boasts the capacity of PTC materials secondary R&D, design and production.
With the registered capital reaching RMB80 million, locating in Nibgbo National Hi-Tech Development Zone, the company occupies an area of 5acre with the floor area reaching 30,000m2 . The products of the company such as PTC electric heating components, constant temperature heater, liquid heater and fan type heater are widely applied for C919 aircraft, motor cars, home appliances, electromechanical, automobile, semiconductor electric cooker and other fields, and is adopted by the domestic and foreign famous enterprises including Hangda, Hitachi, Mitsubishi, Panasonic, Zojirushi. Additionally, the company has awarded over 100 national patents in invention, utility model and design.
Ningbo Sangni Electronics Co., Ltd. is the drafter of national and professional standard QB/T2164-2013 Fan Type PTC Heater, and the Zhejiang Province Hi-Tech Enterprise, the PTC project of the company is listed in the China Torch Program. In order to quarantee the advantages of clients in the market competition, the series of PTC components produced by the company strictly follow related international, national and professional standards. Ningbo Sangni Electronics Co., Ltd. is creating a brighter future with clients due to outstanding products.