1.Can we mix colors? ----Yes. 2.Can we customize logo?--Yes. 3.Can we have a sample first?--Yes. 4.Can you customize clients' design--Yes. 5.Can we buy small quantity first?--Yes,can buy from our stock with good price. 6.I am first time to buy here, can you teach me?--Sure. 7.How about the warranty?--3 years warranty with professional engineer support.