It is legal.

According to (Tianyancha) inquiry, Shanghai Huaren Jiye Intellectual Property Services Co., Ltd. is a legal operating enterprise registered and licensed by the Ministry of Industry and Information Technology. It was established in 2018 and is located in Shanghai. Enterprises mainly engaged in technology promotion and application services. The company's registered capital is RMB 500,000, exceeding 13% of its counterparts in Shanghai, and its paid-in capital is RMB 100,000.