Japan says it will retain a range of anti-dumping duties on carbon steel parts from China and South Korea.

Government officials add the measures will stay in place for 5 years.

The officials say local manufacturers of carbon steel pipe fittings are suffering. They blame Chinese and South Korean imports priced below fair market value.

The government introduced the anti-dumping duties of 69.2 percent on a provisional basis in December.

Officials say they have now decided to retain them because companies in the 2 countries continue to engage in unfair trade practices.

3 small and medium-sized Japanese firms called on the government last year to act. Cabinet members are expected to approve the duties soon.