Available data from the EAC secretariat show Kenya investments in Tanzania top $1.2 billion (Sh108 billion) as of April this year, making it the second foreign investor after Britain. In the same period, Tanzanias exports to Kenya had surpassed $300 million (Sh27 billion), up from $95 million (Sh8.5 billion) at the signing of the EAC Customs treaty in 2004.
It might be one of the reasons that has propelled them to send their Foreign Minister to Tanzania....they know for really that they have a huge investments in Tanzania