This tender invites bids for the supply of Tyre Tube Flap 28 Ply specifically designed for aircraft use, issued by Pakistan International Airlines in Karachi. The procurement falls under the Vehicles & Auto Parts category, focusing on high-quality industrial-grade tyre tubes suitable for aviation and tractor units. The supply involves renowned brands from Japan, Europe, USA, or UK, ensuring compliance with aviation standards. The items must be fresh stock with a minimum one-year expiry and warranty. Bidders must prepare technical and financial proposals in separate sealed envelopes, including technical literature, samples, and a pay order for earnest money. The supply location is Karachi Airport, requiring careful attention to delivery schedules and quality standards. Bidders should ensure they meet PEC category requirements and maintain valid FBR registration with NTN and GST numbers. The tender fee is PKR 15,000, and earnest money of PKR 80,000 must be submitted via pay order. Compliance with PPRA rules and submission of all mandatory documents is essential for eligibility. Foreign bidders are exempt from earnest money and tender fee but must comply with delivery and payment terms. The submission deadline is on the 28th of January 2026 at 10:30 AM, with bid opening at 11:00 AM on the same day at the Supply Chain Management Department Building, PIA Head Office, Karachi Airport. Manual submission requires sealed envelopes dropped in the designated tender box or sent via registered mail before the deadline. Pro-Tip: Make sure to prepare your technical and financial bids in separate sealed envelopes clearly marked with tender reference and supplier name. Also, verify the original bid security instrument is submitted before the deadline to avoid disqualification.