Shandong Zhaojin Gold & Silver Refinery Ltd. is a company that provides Mining engineering, Precious metal and more. Shandong Zhaojin Gold & Silver Refinery Ltd. is headquartered in China Shandong Sheng. Shandong Zhaojin Gold & Silver Refinery Ltd. was founded in 2001. Shandong Zhaojin Gold & Silver Refinery Ltd. has a total of 285 patents