On to Mali, where they have entered into a $10 billion US dollar worth contract with Chinese companies to see the country upgrade existing railway infrastructure linking to Senegal. The project which begins in the years time will be undertaken by two Chinese civil engineering companies, namely China Railway Engineering Corporation and China Railway Construction Corporation. The two companies now have one year to submit detailed proposals to see Chinese banks fan the projects in the countries. Now the project will involve upgrading of the existing 1,230 km meter gauge line from Dakar, the capital of Senegal to Balmaco in Mali. The project estimated to cost 1.5 billion dollars. The railway construction will be rehabilitated by the China Railway Construction Corporation. Meanwhile, the China Railway Engineering Corporation will be working on building the entire new standard gauge line linking Balmaco to the port of Conifree, which is in Guinea to Mali in a root length of approximately 920 km to cost $8 billion in this case.