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Can you check the small draft below if there is any grammatical mistakes, please?
The 3 day exhibition of refining products and services attracted the participation of more than 120 companies. International oil companies and service industry majors maintained a strong presence at Petrotech. It showcased flagship stands from regional refining and petrochemical giants including BAPCO, BANAGAS, GPIC, ADNOC, Kuwait National Petroleum Company, Saudi Aramco, Qatar Petroleum and Petro Rabigh
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