Gabrovo
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Pernik
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Sofia
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Shumen
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Sofia
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Stara Zagora
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Plovdiv
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Sofia
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Tervel
Sun Trackers for photovoltaic solar panels are designed for "3K" LTD Varna, Bulgaria. Integral 2005 LTD is first Bulgarian manufacturer of Sun Tracker Systems. 8 hours of tracking the sun at a perpendicular angle for maximum power output. From 1 to 15 trackers are controlled by one
