Shantou Ultrasonic Printed Board Company is not a black factory. The full name of Shantou Ultrasonic Printed Board Co., Ltd. is Shantou Ultrasonic Printed Board Co., Ltd. It is a comprehensive large-scale high-tech enterprise engaged in printed circuit board manufacturing in China and one of the top 100 enterprises in China's printed circuit board industry. Shantou Ultrasonic Printed Board Company has advanced equipment imported from the United States, Germany, Japan and other countries. Its products include single-panel, double-panel, multi-layer boards, etc., which are widely used in communication equipment, automotive electronics, medical equipment, household appliances and other fields. Therefore, Shantou Ultrasonic Printed Board Company is not a black factory, but an enterprise with good reputation and product quality.