QingCheng Ltd is an ISO 9001:2015 non-destructive testing systems and condition monitoring solutions manufacturer and global supplier. We are the leader global company in IIoT acoustic emission online monitoring systems of our own design, as well as other NDT systems. Our mission is to provide unattended high quality and reliable online condition monitoring solutions for predictive maintenance of valuable industrial assets in the world.

The QingCheng group consists of Qingcheng Ltd. and Beijing Soundwel Technology. We initially started as Beijing Soundwel Technology, founded in 2000 by a group of Tsinghua University professionals. In 2017, our team relocated to Guangzhou city and established Qingcheng AE Institute (Guangzhou) Co., Ltd. as our headquarter and retained Beijing Soundwel team in Beijing branch office. Recently, we have changed our English name to QingCheng Ltd. For over 20 more years, we always keep the original intention and mission to offer honest and better products and solutions to all customers around the world.