Sodium Hydroxide/Formic Acid 85%.

Hello, dear sir. we need chemicals like 01-Sodium Sulphide flakes (yellow) &(Red) 02-Sodium Hydroxide (caustic soda.) 03-Acetic Acid. 99.9% 04-Formic Acid 85%. 05-Ammonium Sulphate (white crystal). 06-Sodium Metabisulfite. 07- Sodium hydrosulfide. tell me about above mentioned items then I will aske you other too. best regards. abbas ali. fatima.ali.traders@gmail.com abbas.ali322@yahoo.com cell,no.0322 6497313 0333 4423071