Petrochem represent Activity in the development and establishment, operation, management and maintenance of petrochemical plants, gas and oil and other industries, and wholesale and retail trade in materials and petrochemical products and derivatives. And limited exercise Petrochem for this activity at this time on its investment in its subsidiary, Saudi Polymers ("" Saudi Polymers "") which will produce petrochemical products at its plants in Jubail Industrial City .. aimed at Saudi Polymers, to convert natural gas into valuable materials high by investing in the petrochemical industry and this will be Saudi Polymers to achieve economic diversification through the development of petrochemical derivative products that rely on natural gas, and increase local employment, increase Saudi investments of public and private in the petrochemical industry.