Hi there! Is there any Halal foods in Chengdu? Thanks in advance!

Well, yes. You can find many such restrants there. Here are my suggestions:
Tuqiao Halal Retsaurant is located at No. 107, Shuangyuan Street, Shuangnan Department, Wuhou District,
Halal Restaurant has many branches. You can find at Dongtai Rd, Jinpeng Middle Rd and Tuqiao East Street, Jinniu District.