Changzhou Huijian Machinery Co., Ltd. (Changzhou mayor of hot air seam sealing machine ,ultrasinic equipment factory) is a professional ultrasound equipment manufacturers. Founded in 2014, has been more than 10 years of history. The company now covers an area of over 7,000 square meters, with assets of 20 million yuan.Double Ultrasound, is a professional commitment to the global users of ultrasonic technology solutions for high-tech enterprises.After more than 10 years of continuous innovation, the two ultra-ultrasound has grown into China's great brand of ultrasound equipment manufacturers. Marketing network all over China and more than 20 countries around the world. Especially in the ultrasonic lace machine, ultrasonic mask machine, ultrasonic spot welding machine, ultrasonic sewing machine and other ultrasonic finishing machine, ultra-ultrasound has become a consumer brand.The company adhere to the ISO9001 quality system standards for internal management, quality as the lifeline of enterprises, from the introduction of key foreign core components to the whole.