We're China's Top 500 manufacturing enterprise, with ISO9001, ISO14001, ISO22000, OHSAS18001 certified and KOSHER, HALAL approve We're China's Top 500 manufacturing enterprise, with ISO9001, ISO14001, ISO22000, OHSAS18001 certified and KOSHER, HALAL approved.Test Items SpecificationAppearance:White PowderGlucuronic Acid,%: ≥44.0Hyaluronic acid ,%: ≥91.0Transparency, (0.1%Water Solution): ≥99.0pH( ...