Huaren Science is one of biggest manufacturer of build blocks ( RNA and DNA) in the world, which has the capacity of nucleoside 500 tons and phosphoramidite 60 tons. Huaren Science was acquired by Huadong Medicine (Top 10 Pharmaceutical company in China) since 2022. and now in the field of oligonucleotides upstream materials, Huadong has two facilities which can produce the phosphoramdite. With the development of Oligonucleotides, Huadong and Huaren will be the largest player of Amidite and Galnac under GMP quality system. Huaren also has the ability of customization for our customer, especially for fancy amidites and Galnac delivery ligand.