THE PREFERRED PTA SUPPLIER IN ASIA We are the preferred and a leading Purified Terephthalic Acid (PTA) supplier in Indonesia. PT IAI is committed to proactively support the growth of domestic polyester producers in Indonesia. We have earned the trust of our customers by interacting openly and honestly with them and implementing innovative solutions to enhance mutual value. In addition PT IAI continually supports the growth of the domestic polyester industry by openly sharing knowledge on markets, technology and trade.