5N Plus Lübeck GmbH4D1145N Plus Lübeck GmbH, founded in 1948 and formerly known as MCP-HEK GmbH, manufactures high-quality Bismuth Chemicals. The plant located in Germany is a dedicated high-end production facility, certified according to GMP and approved by US-FDA. Drug Master Files are available for all of our products. Bismuth is an active ingredient in pharmaceuticals for e.g. stomach and ulcer treatment, suppositories and creams against haemorrhoids, medical devices (radiopacity) and other pharmaceutical fields. 5N Plus controls the full value chain from sourcing the Bismuth ...