Major Products and Services:Blended amino acids; Fumaric Acid; L-,D- or DL- Alanine; L-,D- or DL- Aspartic Acid; L-,D- or DL- Asparagine; Calcium (Magnesium,Monosodium,Potassium,Zinc) L-Aspartate, Poly-Aspartic Acid and other amino acids serial products , PVC, PVDC