Quality is the foundation of enterprise. We have consistently stuck to the mainline of strict management andcontrol of production. In June 2000 ,we passed the ISO9001certificate of the system of quality as the first Chinese enamel frit company. We strictly control the design, development, production, usage and service of the product. We adopt the strict inspection procedures and the advanced detection instruments for raw materials. In the meanwhile we use the standard control system for product process and the leading product quality standard in our domestic professions to ensure the stability of our products qualities and keep them improving constantly.