Infrared photo beam sensor and safety edge protection device for PVC high speed door
PVC high speed rolling shutter door has the characteristics of heat preservation, collision prevention, insect prevention, windproof, dustproof, sound insulation and so on. It can realize fast...
High Speed Roller Shutter Door Activation Methods
PVC high speed roller shutter doors are widely applied in food, electronics, textiles, printing, packaging, cold storage environments, automobile assembly, chemicals, pharmaceuticals, machinery,...