Engineering Technology

OBHE can provide the production plant of polytrimethylene terephthalate (PTT) which the technology of direct esterification of pure terephthalic acid (PTA) and 1,3-propanediol (PDO) and continuous polycondensation are adopted. This distinctive PTT production technology is formed based on the absorption of foreign advanced technology and combined with our own polyester production technology and experiences, which has the unique features in advanced process, reliable equipments, low investment cost, low raw materials and energy consumption, high market competitiveness.We have successfully provided a 50,000 ton/year continuous PTT plant for Jiangsu Shenghong Group.