Sinomeasure SUP-DY2900 Optical kusungunuka mita mpweya ntchito Hanchuan Yinlong madzi affairs limited (Ndi ya China Water Affairs Group).
China Water Affairs Group Limited ndi kampani yamadzi yomwe ili ku Hong Kong.Inali kampani yoyamba yamadzi yomwe idatchulidwa ku Hong Kong, ndipo ndi kampani yokhayo yomwe ili ku Hong Kong yomwe imayang'ana kwambiri zabizinesi yopereka madzi.