Order may be cancelled due to insufficient of your information. Missing item or get wrong item or damaged items, or the item seams can not work well, please keep all the items in original condition, make all the items together with packing, then take some photos of them and send us the photos by message box. (2) How we will react?(sometimes you may be requested to return the incorrect item). (3) Valid time for returning. We promise to achieve your 100% satisfaction. Thank you so much for your kindness and understanding. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Mixers, Shakers & Stirrers\Magnetic Stirrers & Hotplate Stirrers". The seller is "super60018" and is located in this country: CN. This item can be shipped worldwide.