Sangwon increases cement output
The Sangwon Cement plant, located southeast of Pyongyang, North Korea, has increased its cemen...
The Sangwon Cement plant, located southeast of Pyongyang, North Korea, has increased its cemen...
The Sangwon Cement plant in North Korea has successfully completed the cement production task ...
The workers of the Sangwon Cement complex in North Korea are making innovations in cement pro...