Singapore: Former  executive chairman of  AEM-Evertech Holdings Limited jailed, fined for corruption15 August 2012. The former executive chairman of listed company, AEM-Evertech Holdings Limited (AEM-Evertech), was sentenced on Wednesday to 12 weeks’ jail and a fine of S$60,000 for corruption. Tok Kian Yu, 51, had pleaded guilty to four charges of corruption on 8 August 2012. He admitted to giving bribes of over S$106,000 to Siow Sing Heng, a manager in STS Shenzhen, for recommending more business be awarded to AEM-Evertech. He also paid bribes amounting to  S$50,000 paid to Tan Gek Chuan, the then operations director of Infineon Technologies, Malacca,  in return for awarding the purchase of four inspection machines to AEM-Evertech.