Zhejiang Realsun Chemical Co., Ltd. engages in the research and development, production, sale, import, and export of fine chemicals. Its products include pharmaceutical intermediates, pesticide intermediates, electronic chemicals, and chemical solvents. It offers gamma-butyrolactone, 2-acetylbutyrolactone, 1-methyl-2-pyrrolidinone, isopropyl alcohol, 1,2-hexanediol, and cyclopropyl methyl ketone. The company was founded by Xiao Ou Yu on October 19, 2007 and is headquartered in Linhai, China.