Jing-tai: Year 6, Month 10, Day 15
24 Nov 1455
....Dao Feng-heng, a member of the family of the native official of Da-hou Subprefecture and the chieftain Zhao Cheng Nang-fu and others from Meng-leng Stockade, both in Yun-nan, came to Court and offered tribute of horses, gold and silver utensils and local products. A banquet as well as biao-li of variegated silks and other goods, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 35, page 5557