It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business.A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Hydraulic & Pneumatic Cylinders". The seller is "yiyibushe-2" and is located in this country: US. This item can be shipped to United States.