Shenzhen Well.D Medical Electronics Co. Ltd. (as WELLD in short afterwards), set up in January of 1996, is a private-owned professional manufacturer in medical ultrasound field in China. Being seized of total know-how technologies during designing, developing and manufacturing, WELLD is recognized as the leading one among China medical industry. In 2002, it was approved as High-tech Enterprises, and again in March of 2005, it is authorized as Software Company by Shenzhen Government.