[Class : 42] Engineering And Project Services In Connection With The Chemical And Petrochemical Field.[Class : 40] Treatment, Preparation And Improvment Of Materials.[Class : 37] Repair And Preservation Services For Rubber, Plastic Or Other Chemical An D Petrochemical Goods.[Class : 35] Commerical Importation And Exportation Services Of Chemicals And Petrochemical Goods, Gas, Diesel Oil, Petroleum Liquefied Gas And Petroleum Derived Other Services In Connection With Manufacture Of Goods For Being Used By Third Parties In The Chemical And Petrochemical Field.[Class : 17] Rubber, Plastic Materials And Compositions Thereof, Compositions Thereof, Comprising Resins Included In This Class.[Class : 1] Resins Included In This Class; Vegetable Derived Unprocessed Substances And Products Included In This Class, Other Chemical And Petrochemical Substances And Produts Included In This Class.