Baso4, Barium Sulfate, Precipitated Barium Sulphate manufacturer / supplier in China, offering Customized Barium Sulfate Powder with Specific Gravity 4.3 (Rubber Compound Grade), Eco-Friendly Barium Sulfate Powder with Reach/RoHS Compliance (Ultra-Fine Grade), Normal Widely Used Natural Barium Sulfate (BaSO4) Matting Effect in Paint and Powder Coating and so on.