From their website

 

TECHNOLOGY LEADERSHIP

We are a leading global solar company constantly exploring new approaches and technologies at our four state-of-the-art R&D centres in Germany, Korea, China and Malaysia. Our heavy investments and deep commitment to R&D continue to advance our products and manufacturing methods.

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QUALITY MANAGEMENT

Our products have been independently tested and certified by the rigorous and independent quality assurance program of the German certification institute, VDE, and by our additional internal quality testing programs. Q CELLS is recognized and renowned across the global PV industry as a brand with a superior level of quality.

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MANUFACTURING EXCELLENCE

Our fully-automated manufacturing factories and our state-of-the-art Manufacturing Execution System (MES) allows for full traceability of all products from procurement to logistics and helps us to optimize the whole production process.

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