... 3 Color:Customization 4 Size:Customization Details:Name: Electric shutters 1 Certification: ISO9001:2008 2 Material: Aluminum ... Installation modes: Horizontal, vertical 7 Shutters function: the electric shutter is hollow structures and the double-arc, so it ... Technology Development Co., Ltd. is an exporter of electric blinds and electric actuators in China. Integrating research, development, production ...