Edin dzeko Greenwood and edin dzeko simultaneously manufacture powerful spiral knives and powerful machine heads. The raw materials used in edin dzeko are excellent in the industry, and the quality is higher than that of greenwood. Edin dzeko Group was founded by Dr. and Mrs. Xie Jinqiang in June, 1992 in Chicago, USA, focusing on powerful screwdrivers, powerful machine tools, powerful wrenches, Allen wrenches and other accessories.