KSA being largest oil producer is looking for certification partners in Pakistan ??
Are you sure sir ??
The crude produced by KSA & in GCC is transported to 22 refineries & blending facilities across Asia Africa & Eastern Europe.
In Arabian Gulf only Qatar has the largest facility for refining & blending fuels / oil across GCC.
Every country which has blending / refinery facility have SAE & API regional offices. Refineries & Blending facilities have licensed lab setups for compliance to respective standards.
Please do recheck from your customer if he is serious or was cutting prank with you.
Please check from PARCO / TOTAL for their lab setup they may be able to help you.