Qingdao HGV Precision Bearing Co.,Ltd: Chinese bearing manufacturer,produce many kinds of bearings,good quality low price, have world wide business.
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Hefei Hil Material Technology Co.,Ltd.: Mainly producing glassfiber material, teflon material, rubber material, PTFE material, kevlar fiber material, carbon fiber material, mica material and so on,
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Door, Window and Push-button Sensor. ... Just connect the push-button or reed switch between GND and one of the 13 ... Reed switch for sensing the open/closed state ...
