You’re in the right place for insulated cups.By now you already know that, whatever you are looking for, you’re sure to find it on ZHENNENG.we guarantee that it’s here on ZHENNENG.The product is anti-rust. It is composed of aluminum structures and galvanized steels which can ensure it always shows perfect gloss. .We aim to provide the highest quality insulated cups.for our long-term customers and we will actively cooperate with our customers to offer effective solutions and cost benefits.