Edible Calcium Carbonate Production Process Established in South Hwanghae Province
Pyongyang, November 30 (KCNA) -- South Hwanghae Province in the DPRK has established a new process for producing edible calcium
November 30, 2025
Pyongyang, November 30 (KCNA) -- South Hwanghae Province in the DPRK has established a new process for producing edible calcium




