Zhou Yongmei. According to Sina Finance, the principal of Hepai Primary School in Gengma County is Zhou Wa, born in June 1976 165438, and is the principal of Peicheng School in Gengma Town, Gengma Autonomous County. They have been engaged in the education industry for 28 years. In recent years, they have been rated as "excellent teachers in rural schools in Yunnan Province for more than 20 years" and "advanced teachers in ideological and moral education in lincang".