Tianrunhengtai (tianjin) chemicals co., ltd is specialized in all series chemicals manufacturing and exporting .with a proud annual production volume of 10,000 mt. our main products include lithopone, carbon black, aluminum sulfate ,oxalic acid , pentaerythritol , ferric oxide ,etc, total more than 42 kinds of chemicals .which are widely applied on paint, rubber, textile, leather, cleaning, glass, and many other leading consumer industries. in additional to the chinese native market, our products also enjoy a good reputation in america , european market ,southeast asia, mideast area and african countries . weve adopted iso9001: 2000 quality management system certification, chc, and bcc certificate.