正金产业集团
Strength in Intelligent Manufacturing Purification and Quality Control System

Purification and quality control system

Purification of Precious Metals

Utilizing industry-leading precious metal purification and quality control systems, we specialize in purifying multiple categories including gold, silver, platinum, and palladium, achieving the highest purity up to 99.999%.


Full Process Quality Control

Equipped with various international high-precision testing instruments, we have established a four-level full-process quality control mechanism, including raw material inspection upon entry, in-process inspection, comprehensive finished product inspection, and re-inspection before delivery. This ensures that every product meets quality standards, is compliant and traceable.




Refine and purify



Refine and purify



Incoming and outgoing inspection



Product QC