Sodium sulfide ni akɛtsuɔ nii yɛ nitsumɔhei lɛ kɔɔ shihilɛi ni mli wawai babaoo he. Yɛ nitsumɔhei ni akɛ tsofai tsuɔ nii yɛ mli lɛ, nitsulɔi lɛ woɔ atadei ni tsofai nyɛɔ amɛtsuɔ nii yɛ mli lɛ amli ejaakɛ sodium sulfide lɛ jieɔ kɔɔyɔɔ ni yɔɔ gbeyei yɛ hulutsoo be mli. Bei pii lɛ, nitsumɔhei ni tsuɔ nu fɔŋ he nii lɛ kɛtsuɔ nii koni amɛkɛwo dade ni tsii mli, ni no biɔ ni akwɛ bɔ ni niyenii lɛ yaa nɔ ehaa lɛ nɔ jogbaŋŋ, ni akɛ nibii ni tsiɔ kristalo naa lɛ awo niyenii paipii lɛ amli. Yɛ woji afeemɔ hei, he ni akɛtsuɔ nii koni akɛha tso mli ŋmɔtɔ afee mlɛo lɛ, esa akɛ he ni atsuɔ nii yɛ lɛ afee nɔ ni ŋmɔtɔ yɔɔ, ni akɛ tsɔnei ni haa mɔ shwieɔ shi lɛ awo shikpɔŋ lɛ nɔ, ni akɛ kɔkɔbɔɔ okadii tamɔ “Aŋmɛɛɛ Nu Kɔɔpoi Agbɛ” awo gbogboi lɛ ahe.

Nibii ni akɛmajeɔ tɛ̃ɛ kɛjɛɔ Qingdao Ŋshɔkpɔ lɛ nɔ, Tianjin Ŋshɔkpɔ lɛ nɔ, kɛ Shanghai Ŋshɔkpɔ lɛ nɔ, kɛ sodium sulfide ni tsuɔ nii jogbaŋŋ ni haa ŋshɔkpɔi wuji ni yɔɔ jeŋ fɛɛ lɛ anɔ. Nyɛɛ biɛ koni ona nitsumɔi ni hi jogbaŋŋ.