On the morning of August 17, 2017, Grandsun held the launch ceremony of "0" defect project and signed a five-year consulting agreement with SGS. Founded in 1878, SGS is one of the largest and oldest third-party quality control and technical certification companies in the world. "0" defect project marks the pursuit of the product quality of Grandsun. At present, Grandsun has set up five quality improvement teams. In the future, under the guidance of SGS, it will comprehensively improve the quality from various levels, such as test, process control, product quality, production management, and supplier management.