G.A.T is invested by ZhongShan Jun Ye Jia An Te Electronics Co., LTD. As a high-tech company specializing in the research, production, sale and service for master alloy used for Jewelry, our company cooperates with scientific research institutions such as College of Materials Science and Engineering at Shenzhen University and Shenzhen Key Laboratory of Special Functional Materials. G.A.T has strong technical force and advanced production & test equipments. On human resource, we have high-quality technical staff including doctor degree holders and master degree holders. Those technical members continuously innovate the manufacture technology and improve the quality. Until now, we have obtained several patents and published high-level papers. Advanced test machines such as XRF, ICP, DSC and Color measuring equipment are used to ensure the highest quality standard. Meanwhile, we sincerely provide customers with Technical Support and solve difficulties in production. G.A.T manufactures a wide range of master alloys for different karat, color and properties for the jewelry manufacturers. Moreover, we can provide new kinds of alloys if customers need master alloys of special quality. Our master alloys include special additives which can refine grains, promote hardness and tenacity and increase the fluidity of the carat gold alloy. The gold alloys have good surface status with no porosities and hard spots. G.A.T will always be your honest partner and best supplier.