Gemme Specialty Chemicals was founded in 1988, is a leading producer of high-quality chemical product, specializing in production and research and development of Natural Barium Sulfate, Precipitated barium sulfate and Modified barium sulfate which is for powder coating, painting, ink, plastic, automotive coating, waterborne coating,  masterbatch, etc. We also have Sodium Sulfide, which can be use in Fiber, Paper industry.