This is Mao from ESI factory China ,we supply high quality event products more than 18 years with high quality,our main products: Aluminum truss ,stage and pipe and drape .Our advantages is as follows: Hardware: We have the professional welding machine,it can make our truss 100% the same,without difference. Software: Our welders are coming from Global Truss,we have rich experience to weld truss beautiful,professional,reasonable.