(EnergyAsia, July 15) — MayBan Securities has placed a ‘hold’ recommendation on the stock of Malaysian listed pipeline and corrosion services specialist Wah Seong Corp. The research house has rated Wah Seong’s fair value price at RM1.90. (US$1=RM3.8).             Wah Seong recently proposed to fully acquire a group of companies including Gas Services International Ltd…