No. PingFang SC is a "humanist" sans-serif (rounded terminals), while Heiti SC is a "grotesque" sans-serif (flat terminals).
Heiti. Black form. Sans serif. No flourishes, no tears. A face stripped of personality, yet somehow, that is its personality: the patient anonymity of airport signage, the quiet instruction of a phone screen, the bureaucratic kindness of a subway map. It does not shout. It states . heiti sc medium font new