Analytical Systems G. Obst

Liyang Qingfeng Fine Chemical Co., Ltd. was established in 1987, mainly producing m-chloroaniline (800 tons/year), 4,7-dichloroquinoline, sodium thiosulfate (300 tons/year), and phthalic anhydride

Leuna Carboxylation Plant GmbH continues the long-standing tradition of producing and selling hydroxybenzoic acids in the Leuna-Werke. In 2005, our carboxylation plant was taken over by the company Infatrade (UK) LTD. In October 200...