Dear all,

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

Please help me.