... , you can printing directly, don't need to do any pretreatment. B. we have the best eco ... successful case, our our sales will guide you how to start your bussiness. like where should your ... ? what price is accaptable ? etc.2.Can i use your printer for invidualized printer ?Yes, you can ... glass , ceramic, metal, paper, leather, wood 3.Do i need to do some pretreatment or aftertreatment ?no, you don't need ...