... in manufacture advertising equipment such as light box,showcase,sign panel,display rack,booth and so on. We ... light box , led metro light boxes,outdoor metro sign,and light box project for Shenzhen City. Good ... ,airport and so on.As light box or sign is available.Product specification Frame:stronger,thicker,1. ... color 2 years span outdoor,3 years span indoor Hook:inner is metal tube,outer decoration is ...