Dear sir, We are Minh Hang I&T Co.,Ltd.- one of the biggest companies in Viet Nam dealing in Rotundin.This is COA of my Rotundin :Certificate of analysis.RequirementsResults1. Specification: meet to requirementComplies2. Absortion: 150-160Complies ( 150.8)3. Melting point: +1410C - +144 0CComplies ( +1420C)4. Specific optical rotation: - 2990 to - 3000Complies5. Description: Meet to requirementComplies6. Moisture: Not more than 5%Complies ( 4.34%)7. Limpidity and colour: Meet to requirementComplies8. Density: Not less than 98 % of Rotundin caculated on the dried basicComplies( 94.74% -99.04%)Hope that we can have good business relationship in the very near future.Thank you very much and look forward to hearing from you soon.Yours faithfully
