Shanghai Ronger Chemicals Co. Ltd. is situated in Shanghai,Chinese largest port city,with unique geographical location. Ronger is mainly engaged in manufacturing and exporting of inorganic chemical materials.We specilize in rutile and anatase grade titanium dioxide pigment,lithopone,barium sulfate,silica,zinc oxide,which are widely used in paint,plastics,rubber,paper,ink,medicine,food,ceramics,glass,enamel making,chemical fiber industries,etc. Certificates:ISO 9001:2008,ISO14001:2004,SGS,CIQ,etc.