As one of the largest manufacturers of amino acids in China, we specialize in producing L-Lysine HCL, L-Cysteine, DL-Methionine, L-Arginine, L-Leucine, etc. for feed, food & pharma.industries.All our products conform fully to the standards of FCC/USP/EP. So you can rest assured of their quality.Should you need any further info./sample(s), please contact us without any hesitation.Thanks for your interest!