This tender invites qualified contractors in Karachi to supply various types of valves and appurtenances specifically designed for aviation fuel infrastructure at the PSO Central Store. Issued by Pakistan State Oil (PSO), this procurement falls under the Fuel & Gas Cylinders category, reflecting the critical nature of fuel handling components in the energy sector. The scope includes supplying high-quality valves and related accessories that meet stringent safety and operational standards for aviation fuel systems. Located in Karachi, the site demands components that can withstand rigorous conditions and ensure leak-proof, reliable fuel flow. Contractors must demonstrate past experience with similar fuel infrastructure projects and the financial capacity to deliver within the stipulated timelines. Bidders should ensure compliance with PEC registration requirements relevant to the supply of fuel-related equipment and maintain an active tax status with FBR, including ATL compliance for the fiscal year 2025-26. It is advisable to prepare all technical and financial documentation carefully, including Earnest Money in the form of a Call Deposit Receipt (CDR), to meet PSO's procurement standards. The submission deadline is set for 22nd January 2026 at 2:15 PM, with bid opening scheduled the same day at 3:00 PM via the SAP Ariba portal. Tender documents can be collected from 7th January 2026 to 22nd January 2026 between 8:30 AM and 2:15 PM through the SAP Ariba system. All submissions must be made electronically through the SAP Ariba platform as per the specified procedure. Pro-Tip: Make sure to register on the SAP Ariba portal well in advance and upload all required documents including NTN, GST certificate, and CNIC to avoid last-minute disqualification. Also, keep an eye on PSO and PPRA websites for any updates or amendments to the tender conditions.