#redandgreentrafficsignal
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parking equipments for parking control,include red and green 2 aspects traffic signal, single channel loop detector, infrared photocell sensors.more about us:www.trafficloopdetector.com Email:[email protected] whatsapp:+8618926542745 Alan #redandgreentrafficsignal#singlechannelloopdetector#infraredphotocellsensors https://www.instagram.com/p/BwpJ0RtnFw0/?utm_source=ig_tumblr_share&igshid=dwp73rdp4zh1
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