... metal quantitative analytical reagent.Specification : No.Inspection ItemCriterion1EDTA≥99.0%2Chloride(Cl)%≤0.01%3Sulphate(SO4)%≤0.1 ... ingot,bismuth needle,pet resin,caustic soda,potassium hydroxide,tellurium,antimony,soda ash dense,soda ash light,soda ash,sodium sulphate Number ... Above US$100 Million Export Percentage:51% - 60% Factory Information Management Certification:ISO 9000/9001/9004/19011: 2000 ...