ʻO Sinomeasure SUP-DY2900 Optical dissolved oxygen mika e hoʻohana ʻia i ka hana wai ʻo Hanchuan Yinlong i kaupalena ʻia (No ka Hui Waiwai ʻo Kina).
He hui lako wai ʻo China Water Affairs Group Limited ma Hong Kong.ʻO ia ka hui wai mua loa i helu ʻia ma Hong Kong, a ʻo ia wale nō ka hui i helu ʻia ma Hong Kong e kālele ana i ka ʻoihana lako wai.
