yantai Hongning company is professional manufacture for aluminum caps, we are very satisfied with their made aluminum caps quality , through mutual communication, their engineer Anna has more than 20 years rich experience of design art process, she can get our purpose of design according to our idea , thank your for Anna perfection service. their delivery time also suit to our requirement , professional service and better goods quality , we are very very happy to select yantai hongning as our cooperation partner. our cooperation will be bigger and bigger .