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Kuwonetsa zotsatira zonse 24

Shangke Chemical ndi makampani apamwamba kwambiri omwe amagwiritsa ntchito mankhwala omwe amathandiza kwambiri. Pofuna kuyendetsa khalidweli panthawi yopanga, akatswiri ambiri odziwa bwino ntchito, makina oyambirira kupanga zipangizo komanso ma laboratori ndi mfundo zofunika kwambiri.

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