Chemical and Technical Developments Ltd
Chemical and Technical Developments Ltd is based in the Porton Down Science Park, located near Salisbury in Wiltshire UK. We supply chemicals and provide engineering services - CAESIUM CARBONATE, CAESIUM NITRATE, DYSPROSIUM CHLORIDE, EUROPIUM BROMIDE, EUROPIUM CHLORIDE, GADOLINIUM CHLORIDE, GERMANIUM DIOXIDE, GERMANIUM TETRACHLORIDE, LANTHANUM CHLORIDE, NEODYMIUM CHLORIDE, NIOBIUM PENTOXIDE, POTASSIUM TELLURITE HYDRATE, PRASEODYMIUM CHLORIDE, SAMARIUM CHLORIDE, SCANDIUM CHLORIDE, TUNGSTEN OXYCHLORIDE, YTTRIUM CHLORIDE - as well as providing a range of engineering service
http://www.chemicalandtechnical.com

PPM Pure Metals GmbH
Producer of high purity metals and chemicals used in electronics, fiber optics, and semiconductors. Products include germanium, germanium tetrachloride, germanium oxide, arsenic, antimony, copper, cadmium and tellurium.
http://www.ppmpuremetals.de/