Kwig is a joint venture between tahal group ( 66 . 67 % ) and an international group company formed by senior business professionals and scientists with experience in water industry investments 凯丹水务国际集团( kwig )是由tahal集团(占66 . 67股份)和一家致力于投资水务,由资深专业人士及科技人员组成的国际集团共同创立的合资企业。