Changzhou Huanan Chemical Co.,Ltd.(Changzhou Xinan Chemical Institute) was established in 1994, with an occupiedfloor area of more than 10,600 sq. meters and a construction area of over 4,200 sq. meters. the institute boasts complete production equipmentsandtestinginstruments as well as a high-caliber team of technicians. Integrating scientific research and production, our institute has, all over the years, been engaged in the technological development, consulting and services in the organic chemical field, especially in the research of phase-transfer cata...