OEM are always welcomed.Samples are made according artwork you provide,We need artwork for the front,both sides and the rear of the items.You can mail us the artwork you want us to make for you in .jpg format.Please do remember to provide us with as more information as you can in your artwork.Colors should be specified by the Pantone Colors.Once the carving charge had been paid as we said,it will take 7-10 days to get you a picture of the sample.Once you approve the picture,we will make the actual samples for your final confirmation.