Our grinders and jacks are manufactured and assembled right here in the USA. After being machined in some cases to within .005 thousandth of an inch tolerance. Our grinders are assembled, quality checked, ground on, set and tested before being boxed and shipped. Because everything is put together before being shipped all you have to do is take it out of the box, put it on a stand and you are ready to grind some chain! Our jacks are machined, pressure tested, fully assembled boxed and shipped right from Silvey. We even include our specialized Silvey Tree Saver hydraulic fluid so it???s ready to go when you get it. Silvey products are known, used and depended on worldwide! Don't hesitate to call or email us with questions or comments!