a, 30years manufacturer for Sodium Sulphide,6 years export; b, 1500ppm 150ppm 80ppm 30ppm c, Red big flakes, yellow flakes ... plant in Inner-mongolia with an output of 80000mts annually, 60% of them are exported to South Asia, India, Africa, ... supply.SPECIFICATION:Products name: Sodium Sulphide, Sodium SulfideMolecular Formula: Na2SSpecification: 60%CAS NO. 1313-82-2H.S.CODE: 28151100UN NO.: 1849RED ...