Huang Wenbo: Male, actual controller of the company, born in December 1972, Chinese nationality, no permanent residence abroad, EMBA master's degree. From December 1997 to January 2007, he served as the executive general manager of Shouhang Bellows. He joined the company in February 2007 and served as deputy general manager from November 2010; from November 2010 to December 2010, he served as director and deputy general manager of the company; from December 2010 to present, he serves as vice chairman and deputy general manager of the company.