one of the major difficulties of high prices is linked to the problem of food preservation. reason why, in our vegetable markets in Africa, there are tons of food rotting with disastrous consequences on the environment, Efan Mali, a multi-service agro-industry company, will use an adequate method of preservation to these production.contact +223-76-58-17-19/watssap at +223-66-25-09-96email: efanmali01@gmail.com