Sui Northern Gas Pipelines Limited (SNGPL) invites sealed bids from original manufacturers, authorized distributors, dealers, authorized stockiest suppliers, and stockiest for the supply of materials required for welding works. Participants must be registered with Income Tax and Sales Tax Departments and possess a valid Professional Tax Clearance Certificate for 2025-26. Bidding documents with detailed terms and conditions are available on the PPRA website. Bidders must submit their bids in sealed envelopes along with a bid bond issued by a scheduled bank on or before the closing date. Bids will be publicly opened on the same day at the specified time.