If you are looking for Chinese movies (Action, Fantasy, Martial Arts) dubbed in Tamil, here is the best approach:
The cinematic bridge between and Tamil Nadu has evolved from niche dubbed martial arts films to a full-scale cultural exchange. While the keyword "China movie Tamil" often refers to the massive library of Chinese films dubbed into Tamil for local television and streaming, it also encompasses a growing trend of Tamil blockbusters finding unprecedented success in the Chinese mainland. The Rise of Tamil Cinema in China
People often search for "China movie" when looking for the (Tang Tan) comedy-mystery series.