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KLD is a high-tech joint-stock enterprise specialized in manufacturing electric actuators and motorized valves. We have a first-rated team composed of professional research, management and sales. We obtained more than 80 independent intellectual properties and software copyright authorization, of which 3 are PCT international intellectual property. We strictly follow ISO9000 standard and the products have CE and other North America and EU’s relevant certifications. We have won more and more customers's trust by the unique charm of the design, function and superior quality, and exported to more than 50 countries all over the world.

Open is green LED, close is red LED, if it does not reach place(15s no reaching setting position), it will be considered as alarm(blue LED), of course, not only the LED indicator, you can also get alarm signal by dry contact signal.
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