5 years producing experience, 5 tons/month, export to Indonesia, Taiwan and South America, Europe, etc TESTING SPECIFICATIONBP2011ITEM TESTEDSTANDARDRESULTSAppearanceWhite or almost white crystalline powderWhite crystalline powderIdentification1Shows an absorption maximum at 275nm.Complies2To match with Reference StandardComplies3Positive reactionPositive reactionTestsHeavy metalsNot more than ...