quality is conformance to requirements” -- in general, the quality control or quality assurance can be distinguished as a business based strategy that provides products and services fulfilling consumers’ internal and external needs. As the information and technology develop, the needs become more demanding, and therefore market’s rivalry becomes stronger. To conquer the market or at least to survive in the market, itself, producers must fulfil consumers’ needs by not only focusing on a quality matter, but also include designs and affordable prices. In that case, our quality control embodies well experienced people in silver jewelry for about 10 years. In addition, to keep our consumers’ satisfaction, all products that have been produced will be given a lifetime warranty.