quote from:   https://www.mobaobuy.com/information

With the end of the terminal stock, the lysine market purchase and sales heat subsided, the overall market cooling.Threonine and methionine are still in short supply, and the quotation in the trade market is still strong. Valine, tryptophan market quotes continue to be stable. According to market news, a head enterprise increased the quotation of amino acid products: 70% lysine 6.46-6.91 yuan /kg, 98% lysine 10.7-11.2 yuan /kg, threonine 11.85-12.35 yuan /kg, but the market feedback is not positive.