About Us


Hangzhou Qianrong Automation Equipment Co.,Ltd. is the professional manufacturer of ultrasonic research, high power ultrasonic transducer development and production in China. Our main products are transducer, ultrasonic power supply, ultrasonic metal welder, ultrasonic wire antenna parts and so on. These productions are widely used in various fields, such as plastic welding, metal welding, non-woven sealing and cutting and so on. Since Qianrong Equipment establishment, the company has always focused on customer needs. While exploring the domestic market in China, we also demonstrates our company’s ultrasonic technology to the world. Its quality and performance are well-known in the industry. 

Adhering to the “focus on ultrasonic application, in good faith to win customers, to win the reputation of quality” development purpose, becoming the world’s leading supplier of ultrasonic core components, through our professional level and unremitting efforts, quality products for customers in the development of the industry to create greater value return. 


Hangzhou Qianrong Automation Equipment Co., Ltd. is engaged in the export business of ultrasonic transducers and ultrasonic welding Machine worldwide in more than 40 countries.

As a major exporter of professional ultrasonic components, Qsonic has extensive product experience and advanced knowledge, so we are confident that we can meet your needs. At the same time, our products are very reasonable in price and high quality, so that our customers can maintain a competitive advantage.

With the development of the company, we have an excellent team. We offer not only standard products, but also custom made items based on detailed drawings or samples.

QRsonic provides many OEM services to its customers. The customer's logo can be printed on the ultrasonic transducer and ultrasonic equipment.

We sincerely look forward to the opportunity to serve you and become your partner in the near future. Let us work together to create greater value-for-value returns in the development of the industry with quality products.