Since 1987, DSC has specialized in the supply of both custom and stock high-volume, high purity chemicals. Through accumulated knowledge and expertise, we’ve built a reputation as a high quality and environmentally responsible supplier and partner for developing, scaling up and supplying organophosphorus and organometallic chemical products.Over the years, we’ve become global experts in the manufacture and handling of specialty chemicals, and leaders in material science and fine chemical markets. Process Capability :Fine Chemicals and Material Science.