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Awọn ohun elo Dina Nja Ilu China, Ẹrọ Ṣiṣe Dina QGM, Germany Olupese ẹrọ Zenith Block, Olupese,...
Quangong jẹ olupilẹṣẹ asiwaju ati olutaja ni Ilu China, ti o ṣe pataki ni iṣelọpọ awọn apẹrẹ ti nja ti nja, ẹrọ ṣiṣe bulọki QGM, German zenith block machine,...