International trades:

• Aria Royal Construction company in Iran. (SOP)
• Branch in Shanghai of machinery import and export company. (exported to Nigeria). (CaO, 2 units) 
• Kaluosi chemistry company. (exported to America).(Potassium Permanganate) 
• Gar Group in Australia. (Rotary Screen)
• NAGAHAWATTA EXPORTERS AND IMPORTERS (Sri Lanka, Charcoal)
• PT.Timor Marmer Industry (Indonesia, NPK fertilizer)
• Compania Occidental Mexicana SA de CV  (Mexico, CaSO4·2H2O)
• Transworld Furtichem Pvt. Ltd.  (India, K2SO4)
• AGBT Minerals SAC (Peru, clinker)