SHANGHAI, Mar 20 (SMM) - In February, the overall profits of battery-grade manganese sulphate companies added 2% amid the falling costs of auxiliary materials, especially liquid caustic soda. Besides, the manganese ore prices have a great impact on the cost of manganese sulphate. In March, the profit margins will unlikely to improve as the manganese ore prices are expected to rise further on low arrivals of Gabonese lump in the month.



