QES Focus on working with your supplier Quality control system improving and Engineering outstanding performance solutions in China. All our work which Focus on one client by a assigned QC is done in a systematic way using world class principles and methods. We have the experience and ability to work on Quality control , Engineering operations, and Sourcing solutions. We are not inspection only. We are quality improvements supporting. "The bitterness of poor quality is remembered long after the sweetness of low price has faded from memory." - Aldo Gucci