Hello, Welcome, glad to serve you with what you need help you can contact us, oh! ! ! Please contact customer service before buying to determine whether the spot price and the exact section above prices include 17% VAT * and domestic transportation costs. Please contact the Company entered into a formal purchase contract you purchased this product to ensure that your interests. This series of products within 18 months as long as the problem is not man-made and machine caused by improper use, the shop will be replacement warranty, which is Precision Machinery Co., Ltd. Shanghai Yuxi solemn promise to you!