China. Ye jin gong ye bu

• Shou gang shi xing jing ji ze ren zhi di jing yan
• Shou gang shi xing jing ji ze ren zhi di jing yan
• Ye jin gong ye chang fang gang jin hun ning tu qiang liang she ji gui cheng
• Ye jin gong ye chang fang yu ying li hun ning tu tuo jia she ji gui cheng
• Ye jin ji xie she bei an zhuang gong cheng shi gong ji yan shou gui fan lian gang she bei YBJ 202-83
• Ye jin ji xie she bei an zhuang gong cheng shi gong ji yan shou gui fan tong yong gui ding
• Ye jin kuang shan di mian zhai gui tian lu she ji gui fan (shi xing)
• Zhongguo--Ruidian ye jin ke ji he zuo di er jie duan gong tong yan jiu lun wen ji
• Zhonghua Renmin Gongheguo ye jin gong ye bu bu biao zhun he ding ben