Food Industry / Food Additives Requests

I am a consulting for many of small and medium Egyptian manufacturer companies have more than 5 years experience in Egypt market made before good connection with some European companies like Iberchem Murcia-sprain, EDO grass-France . But they samples not accepted from my client, Samples for flavour manufacturing: 1- Butter ( milky, butyric/ fatty, creamy ) 2- Margarine municipal. 3- Flavor (in powder version) for orange, beach, apricot, mango to uses of powder drinks 4- Caffeine 5- Liqu