Dongguan city extension crown Industrial Co. Ltd.   

A variety of customized aluminum frame, as long as the guests of the box size can be customized to help you choose the appropriate aluminum to custom processing. To avoid the waste of materials. Here we used material specifications are as follows; 28*38 word word of mouth pipe 225*38 pipe 28*43 pipe day and word of mouth tube 25*40 printing 25*25 printing 28*43 cross tube tube tube and so on technical requirements: 1 anti tension. As the screen frame material should have sufficient strength to be net tension, because in the tension and the network, the screen frame produce a certain tension on the net, which requires the net frame to have strong anti tensile strength, if