South Korean Concrete Truck Drivers on Strike May Delay Samsung and SK Hynix Expansion Projects

South Korean media reported today that a large-scale strike by concrete truck drivers could delay major expansion plans of semiconductor giants Samsung Electronics and SK Hynix.

According to Reuters, the Korea National Ready-Mix Concrete Transport Workers Union (KNRCTWU) has suspended deliveries in the Seoul metropolitan area since the 8th, with around 8,000 members participating. Their demands include higher freight rates and several other reforms.

The Chosun Ilbo reported that striking union members yesterday blocked shipments from two concrete plants in Pyeongtaek, forcing the suspension of concrete pouring operations at Samsung Electronics' chip plant construction site.

South Korea's Newsis news agency also cited industry sources saying that SK Hynix had temporarily halted related construction work at its chip plant in Yongin due to canceled concrete deliveries.

SK Hynix stated in a release that it has adjusted the construction sequence, expecting limited short-term impact. Samsung declined to comment.

Although KNRCTWU had previously reached a preliminary agreement with concrete producers, union members voted to reject the proposal on the 10th, prolonging the strike.

Newsis reported that the short-term impact may be minimal, as construction firms had already accelerated some work to mitigate disruptions. However, if the strike continues, longer-term construction schedules could be affected.