SINGAPORE - An alleged probe by authorities at the port of Qingdao, China, may affect GKE Corporation's business, the logistics service provider announced on Wednesday night.

The probe has allegedly halted shipments of aluminium and copper.

GKE Corporation said its subsidiary, GKE (Shanghai) Metal Logistics, which engages in metal logistics in China, could be affected.

It is "currently assessing the potential impact of the investigation to the business of GKE (Shanghai) Metal Logistics", it said.