The ancient ruling class has a clear hierarchy of residential door rings. The Ming Dynasty records: "The prince palace four main city gates to the Dan paint gold nails copper ring; Gongwangfu door green copper ring; Baiguan No. Hou door with gold paint animal face tin ring; ; Three to five officials Guan Yu black tin ring; six to nine officer door black oil iron ring ... ... "
China's cast iron door knock can be described as a very long history. Now people and even some foreign people are still using the door knocker. Haoyu produces high quality and beautiful Cast Iron Door Knock. We can do customized Cast Iron Door Knock. Welcome contact us for further information.