Located in Shandong Province, the largest reserve mining area of gold mineral resources in China, it is a comprehensive high-tech enterprise specializing in research, development, sales and training of all kinds of gold and silver jewelry.

There are courses such as gold and silver identification and recovery, metalworking and mold closing, hand inlay and micro-inlay, polishing, gold electroplating, filigree inlay, jewelry customization, gold and silver carving and so on.