Air-to-air (?) composite pylon under the J-16 wing

[ベ断桥烟雨ミ]

The air-to-air (?) composite pylon under the wing of the J-16. It does not seem to be a ground-attack TL/LS or any other series of composite pylon.

[J-16 fighter jets in training - Focus - 中国军网（英文版）]

http://eng.chinamil.com.cn/2025xb/H_251454/F_251457/16490620_3.html