Which company is Ma Ninggang from? Independent director of Trilateral Technology

Ma Ninggang: Male,1born in May 1964, graduated from northwest university of politics and law Law Department (formerly northwest university of politics and law). He is currently a lawyer and senior partner of Haihua Yongtai Law Firm. He has successively practiced in Ningxia Yinchuan Law Firm, Beijing Tianda Law Firm, Shanghai Guangming Law Firm and Shanghai Jiahua Law Firm.