China exported 85,181.85 tonnes of threonine during January and February, up 3,864.997 tonnes or 4.75% from 81,316.857 tonnes in the same period last year. During the single month of January, threonine exports totaled 44,169.707 tonnes and the unit price was $1,596.89 per tonne; during February, threonine exports totaled 41,012.147 tonnes, and the unit price was $1,763.94 per tonne, according to data by China's General Administration of Customs.