... 6000mt Certificate:ISO,Fami-Qs,HACCP,Halal, Kosher Synchem International Co.,Ltd(ISO, FAMI-QS) is strong in the field of Vitamins ... are the sole export agent for Idea'l Nutrition science and development CO., Ltd, which is the No.1 Niacinamide manufacturer in china. ... for Niacinamide : Keep in a light-proof, well closed, dry and cool place.Service we can provide:1. Mixed container, we ...