QDD (Quality Design & Devices): QDD is a professional solar energy solutions provider based in Tamil Nadu, India. The company specializes in offering end-to-end solar power services, including consultation, system design, installation, monitoring, and long-term maintenance. QDD caters to residential, commercial, industrial, and institutional clients, helping them transition to clean and efficient energy solutions. Unlike traditional dealers, QDD provides complete solar packages with expert support at every stage, ensuring high-quality performance, customer satisfaction, and reliable after-sales service. Their mission is to make solar energy accessible, affordable, and effective for everyone.