QINGDAO BENDA CO.,LTD. has more than 50 machinery facilities. Most of them have patented features, mainly concerning a cold bending. We have obtained also a number of patents including cutting and fitting as main principle in nine countries overseas. Based on the facilities and sophisticated technology, we've realized increasing output, while maintaining a certain standard in quality. We have also succeeded both in simplifying the process of work and in reducing the number of processes, while widely reducing the production cost by a man-hour control.