News and Updates Saudi Aramco September 3, 2023 Posted by service 02 Sep ZChek WP & 9E Black in MPI & ZChek PT, CR & DL in LPI are now approved by Saudi Aramco, Global leader in Energy industry. ZChek WP & 9E Black in MPI & ZChek PT, CR & DL in LPI are now approved by Saudi Aramco, Global leader in Energy industry.