Profile: Changzhou Huaren Chemical Co., Ltd. produces active pharmaceutical ingredients, agrochemicals, peptide related substances, chiral compounds as well as fine & specialty chemicals. We offer APIs & intermediates such as cyclosporin A, D & C, mycophenolic acid, tenofovir disoproxil fumarate, pramipexole dihydrochloride, levofloxacin hemihydrate, and feed additives & vet active ingredients. Our cyclosporin a produced from the multi-spore Trichoderma and Cylindrocarpon fungal metabolites extract is composed of 11 amino acid cyclic peptides. It selectively inhibits T cell function, which is a major role in the immune response of the induction period and in the early proliferation of T cell differentiation. It is found to inhibit IL-2 production in vivo, and can inhibit the expression of Th & Tc cells, and IL-2 receptor. It has anti-inflammatory role in autoimmune inflammation.