Trade watchdog imposes antidumping tariffs on Thai seamless copper pipes

SEJONG, June 18 (Yonhap) -- South Korea's trade watchdog on Thursday decided to impose antidumping tariffs on Thai seamless copper pipes after its probe found that the imports had caused damage to the domestic industry.

Under the decision, the Korea Trade Commission will ask the Ministry of Finance and Economy to impose antidumping tariffs ranging from 4.93 percent to 8.41 percent on imports.

Seamless copper pipes are commonly used in air conditioners, refrigerators, and heating and cooling systems due to their high corrosion resistance and thermal conductivity.

"(Imports of Thai seamless copper pipes) have negatively affected domestic producers' market share and operating profits, causing material injury," the commission said.

South Korea has been imposing provisional antidumping duties ranging from 3.64 percent to 8.41 percent since March following the commission's preliminary ruling in January.

Containers are stacked at a port in the southeastern port city of Busan on June 16, 2026. (Yonhap)