QianfanHuijin Technical Report: A Novel Multi-Stage Training Paradigm for Finance Industrial LLMs. - Shupeng Li; Weipeng Lu; Linyun Liu; Chen Lin; Shaofei Li; Zhendong Tan; Hanjun Zhong; Yucheng Zeng; Chenghao Zhu; Mengyue Liu; Daxiang Dong; Jianmin Wu; et al. (CoRR, 2025)