Isu tine hukama hwakasimba hwenguva refu neiyo pazasi Kutumira mitsara: CSCL, COSCO, WANHAI, OOCL, TS-LINE, MSC, K-LINE, HAPAG-LLOYD, YANGMING, PIL, NYK, EVER GREEN, MAERSK, CMA, ZIM, kunyanya mumisika yeJapan, Korea, Taiwan, kumaodzanyemba kwakadziva kumabvazuva kweAsia, Middle East, Australia, Europe, America, Africa.