You pay us what you see on the invoice, i. Or replace item for you free of charge. We will reply to you within 48 hours. Please kindly wait for us.We are located in Beijing, welcome to visit us. This item is in the category "Business & Industrial\Agriculture & Forestry\Livestock Supplies\Dairy Cattle". The seller is "mulaechic" and is located in this country: US. This item can be shipped to United States.