Dongguan Gongjiang Ultrasonic Automation Co., Ltd provide ultrasonic welding equipment, produce and sale molds, we use our professional skills and best services to help customers to solve problems. The location of our corporate headquarters and factory is Songgang (near by 107 State Road),  the transportation is very convenient . Our customer service centers and offices located in Jiangsu, Zhejiang and Chongqing. There is no necessary to worry about our cooperation, because we have the best after-sales service for customers.

Our products are include JT 15K/20K/35K/40K series plastic welding machine, BRANSON (AMTECH) metal welding machine, vibration friction machine, non-standard automatic Welding Machine(e.g. High Frequency, Hot Press, Rotary melting machine). We also design and produce molds professional, maintain all kinds of ultrasound machine and sale accessories.

We have strong technical force, the leaders of every department have university education or above, more than 5 years work experience. We aways contact with the EMERSON of USA  to developing new features, new products and new methods. Solve problems which come from cars, electricals, medical supplies, Environmental Protection Industry, commodity.

We supply special services for our customers, such as matching machine according the sample, designed molds according to product requirements, free sampling, free training, free after-sales service, careful and thoughtful.

We promise to our customers solemn: We take care of our products as our life, we never stop developing new technologies, provide the best solutions for our customers to establish a brand named "Gongjiang", wish "Gongjiang ultrasonic" come into prominence by your success.