As we are living in 21st century where internet and information technology are wide spread, important of plastic products are being emphasized everyday. Specially, plastic products are being part of our daily lives and it is not exaggerated to say that plastic products are becoming the foundation of our lives.Daeyoung Ultrasonic Co., Ltd. has grown as Korea's largest plastic welding expert compnay through technology research, development and investment in plastic welding and customer's trust and satisfaction.We have successfully developed and manfactured Korea's first vibration welding machine and started our overseas marketing from year of 2002.Daeyoung Ultrasonic Co., Ltd. is striving affluent society. Furthermore we will strive our best to grow as world's leading plastic welding mahcine manufacturer to provide customer with the satisfaction and guarantee.Thank you.