Si Muwu Ding was made approximately from 14th B.C. to 11th B.C. , which is the most greatly heaviest and the most ancient bronze.

• 司母戊鼎是商后期即约公元前十四世纪至公元前十一世纪的铸品，是目前为止世界上发现的最大最重最古老的青铜鼎。