In the 8th century, the Tang dynasty, forged a military alliance with Narasimhavarman II and made him the General of the South China to safeguard from the expanding Tibetan Empire.
Kanchipuram was an ancient center of Buddhism and learning visited by the Chinese traveller Xuanzang, who recorded that there were Hindu temples and Buddhist Pagodas in the city and the city was the center of learning for Tamil, Prakrit, Pali, Sanskrit, Engineering, Medicine and Philosophy in all of South and Southeast Asia.
Buddhist Monks Buddhabadra and Bodhidharma travelled from Tamizhagam to China and established the Shaolin Monastery to spread Zen Buddhism.
This eventually led to the transfer of knowledge of Siddha and Kalaripayattu, thereby developing into Chinese martial arts form of Shaolin Kung Fu.
[4][5] Zheng He, a Chinese mariner, explorer, diplomat and fleet admiral of the Ming Dynasty visited Tamil Nadu and Eelam and left the Galle Trilingual Inscription, a stone tablet with an inscription in three languages, Chinese, Tamil and Persian, in Galle, Sri Lanka.