Coal type b ( price fob: 170$ max, 80k mt 12 months) and fly ash (150k mt x 12 months).
Coal, fly ash, steel, slag or silica fume
Sea cucumber, Chicken
Bricks or concrete blocks contek rv
Caustic soda, soda ash
Plastic Product Injection, Painting, Silk Print.
Sodium Carbonate (Soda Ash)