Assembled clean room is one of module design which can quickly improve cleanliness of the equipment, it is very economic and effective way, because low cost,convenient ,flexible assembly, Especially for the innovation and improvement of over come curtain PVC defective of their flammable,aging phenomenon and free changing,that can be used on the double black slide of the hole tempered glass,so it can increase the property and appearance ,it’s widely used in optical, electronic assembly line work,semi-conductor, laboratories,and more other high cleanness areas.