Changzhou Keliking Electronics Co., Ltd. is a complete provider of micro SMT acoustic solutions, mainly engaged in the research and development, production and sales of micro SMD electro-acoustic components, and provides customers with a complete set of electro-acoustic solutions. The company's leading products belong to the system integration precision electro-acoustic components, that is, the electronic sounding unit, which acts as a reminder or alarm on various electronic devices. This type of components are widely used in devices such as mobile phone peripheral products, tablet PCs and its peripheral products, Bluetooth system equipment, bank payment system terminals, IoT terminal equipment, smart wearable devices, satellite positioning products, medical equipment and other electronic products. Micro SMD electro-acoustic components must be built in the devices mentioned above.