Ball and socket joint displaying device is a huge and thorough displaying system, which can not only construct some big devices of hundreds or even thousands square meters, but also some small components able to be mounted on the desk. Its fantastic flexibility is the main reason that appeals to numbers of designers. If you are interested in our products, please send us your contact infomation, 'msn' would be better, thanks! Our fax, 0086-757-81109873, we are looking for forward to starting bussiness with you soon!