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Xiamen long xin electronics technology co., LTD. Is located in the beautiful city of xiamen. Create brand "fujian changxing ultrasonic" in 2001, is specialized in plastic welding equipment research, development, production and sales. Through 10 years of experience, formed the power ultrasound lab, focused on the ultrasonic welding technology research, rely on scientific and technological innovation, cooperation with many scientific research institutions, colleges and universities, research and development of a new generation of intelligent ultrasonic welding equipment.