In order to timely follow up customer feedback and continuously improve customer satisfaction, IGSR’s Sales Department organizes special meetings on quality improvement and customer service regularly. Through regular summary and analysis regarding customer feedback, sample delivery and testing, it provides reference for improving technical process and optimizing formula. This plays an active role in improving product quality and developing high-quality customers. Quality is the lifeline of the enterprise, IGSR will continue to be committed to research and develop differentiated product performance with high-quality, both guarantee that product quality is stable and reliable and understand the specific needs of the customers. We make all efforts to achieve win-win development through providing our customers with high quality and satisfactory service.