What material is the Zhong Ding Hang Seng commemorative medallion made of?

Gold, silver, brass, alloy. Zhong Ding Hang Seng commemorative medallion is made of gold, silver, copper and alloy. Hunan Zhong Ding Hang Seng Health Industry Group Co., Ltd. was established on March 6, 20 19. The legal representative is Xiao Yuer, and the business scope of the company includes: construction, management, operation, health management camp, health consultation service and health consultation.