If you have any question, please contact me directly. That brings us very bad effect and can't solve any problem. We will give big discount for the future business.We will BLOCK the buyers who directly open cases without contacting us first! We offer a 100% satisfaction guarantee. If you'd like to return it, Items MUST be in their original condition, not worn or altered. We'll promptly reply you. This item is in the category "Business, Office & Industrial\Industrial Automation & Motion Controls\Other Automation Equipment". The seller is "jiali20160" and is located in this country: CN. This item can be shipped worldwide.