ข่าว/Reuters/Yeo Hiap Seng Says Appointment Of Ong Yuh Hwang As Chief Executiv…Yeo Hiap Seng Says Appointment Of Ong Yuh Hwang As Chief Executive Officer9 ธ.ค. 202213:03 UTCY03Yeo Hiap Seng Ltd Y03:APPOINTMENT OF MR ONG YUH HWANG AS CHIEF EXECUTIVE OFFICERAPPOINTMENT OF ONG YUH HWANG AS CHIEF EXECUTIVE OFFICER