A delegation from North Korea’s coal ministry toured a Chinese smart-mining technology company on Wednesday, suggesting Pyongyang is actively seeking China’s support to modernize its antiquated coal industry.

More than 20 experts and officials from the North Korea’s State Academy of Sciences and coal industry toured Shaanxi Coal Meilianmei Smart Energy to observe its smart-mining technology and discuss “digital transformation” in the energy sector, the company said in a social media post on Wednesday.

The DPRK delegation was led by Ri Chol Nam, director of the external economic affairs division at the Ministry of Coal Industry.

Shaanxi Coal Meilianmei is