Has Tejianfa invested in Huarui Shengfeng Group?

It's already invested.

Shenzhen Tejianfa Investment Co., Ltd. (hereinafter referred to as Tejianfa) is a business-oriented enterprise, while Huarui Shengfeng Group is a comprehensive industrial group enterprise, which is mainly committed to providing intelligent energy service solutions for large enterprises, institutions and power customers. According to public information, Tejianfa has invested in Huarui Shengfeng Group and become a part of it.