Sui Northern Gas Pipelines Limited invites bids for supply of 4.0 ton cooling units inverter under tender enquiry LED/082/25. The procurement follows a single stage two envelopes system requiring separate technical and financial proposals submitted via EPADS before closing date. The tender includes detailed general terms, technical specifications, bid evaluation criteria, and performance warranty requirements. The tender closing date was extended to 30.12.2025 with bid opening at 1500 hours. Bidders must comply with submission requirements including bid bond, tax certificates, and delivery schedule adherence. The contract includes performance security and warranty bond guarantees. The offer validity is 90 days post closing date. Contact person for queries is Dy. Chief Officer (Procurement) Aatir Mahmood in Lahore office.