Since its establishment in 1986, Young Chang Tech Co., Ltd. Continued in producing and supplying various flanges, forgings, shipbuilding, petrochemical plant & nuclear power plant to our domestic and overseas customers. As a leading flange manufacturer, we have made vigorous efforts in technology development and quality improvement to cope with global standard demands. In order to provide the utmost satisfaction to our customers, we have continuously expanded the investment to establish adequate production facilities as well as high-quality management system. In this regards, we highly appreciate all cooperation and advices of customers and concerned people, and will continue our very best efforts to meet customer's demands. Thank you so much.