Shandong Eisley has been in stainless steel tumblers for more than 10 years. With rich experience of developing and designing, we offer OEM service, which makes every cup special and unique. Our top priority is to offer best service to our customer. We always believe it's only the first step to choose the cups. What is more important is the after-sale service. We are not only a great supplier of good quality cups and tumblers, but a reliable partner to help win your market and make your products perfect.