[Class : 17] Rubber, Plastic Material And Composition Thereof , Comprising Resins Included In This Class[Class : 1] Resins Included In This Class; Vegetables Derived Unprocessed Substances And Products Included In This Class; Other Chemical Andpetrochemical Substances And Products Included In This Class.[Class : 42] Engineering Andproject Services In Connection With The Chemical And Petrochemical Field.[Class : 40] Treatment , Preparation And Improvement Of Materials.[Class : 37] Repair And Preservation Services Forrubber, Plastic Or Other Chemical And Petrochemical Goods.[Class : 35] Commercial, Importation And Exportation Services Of Chemical And Petrochemical Goods, Gas , Diesel Oil, Petroleum Liquefied Gas And Petroleum Derived Products; Other Services In Connection With Manufacture Of Goods For Being Used By Third Parties In The Chemical And Petrochemical Field .