Chia Wing Heng stepped down as Serrano Limited's production director
He is the brother of Chia Wing Keong.
Mr. Chia, 46, is to pursue personal interests. He held the position since April 2, 2014.
He was responsible for providing management and technical consulting services under the Management and Technical Consulting Agreement that was defined in the company's offer document dated October 15, 2014 to the group's major supplier, Sorrento Vietnam Shareholding Company.