Changzhou Kailijin Electronics Co., Ltd.'s business scope: R&D, production and sales of electronic components, as well as self-operated and agent import and export business of various commodities and technologies. The company was recognized as a private technology enterprise in Jiangsu Province by the Jiangsu Private Enterprise Association in 2014, and has obtained ISO9001-2008 and ISO14001-2008 system certifications. The product has obtained CE certification. The products comply with the ROHS requirements of international standards. Changzhou Kailijin Electronics Co., Ltd. is a complete provider of micro-chip acoustic solutions. It is mainly engaged in the research and development, production and sales of micro-chip electro-acoustic components, and provides customers with the design of a complete set of electro-acoustic solutions. The company's leading products are system integration precision electroacoustic components, that is, electronic sound units, which are used on various electronic devices to serve as reminders or alarms. This type of components has a wide range of applications, such as mobile phone peripheral products, tablet computers and peripheral products, Bluetooth system equipment, bank payment systems, Internet of Things terminal equipment, smart wearables, satellite positioning, medical device electronic products and other fields. Contains such products.