... exporter of choline chloride, export choline chloride corn COB 60%min, 50%min, choline chloride silica 50%min, choline chloride liquid 75%min ... is one member of vitamin b family.Property: Purity choline chloride is white crystal or powder. Absorb moisture strongly, deliquescene ... Natural silica, grey white powder.3. Synthetical silica, white powder with good fluid. A) Choline Chloride Corn Cob 50%Min or ...