our company are establish in 2001, we sell our product in china,from 2015, we begain to export our product, our main product is pu glue for sandwich panel, we also sell sandwich panel, colorful steeel coil, and other accessories. such as filter,pvc hose and encoder. If you are interested in any of the items, please contact me my skype id is shilongcoco(at)hotmail.com