Sui Northern Gas Pipelines Limited (SNGPL) invites sealed bids from manufacturers and suppliers registered with Income Tax and Sales Tax Departments for the supply of tyres. Bidders must possess valid professional tax clearance certificates and be on the Active Taxpayers List of the Federal Board of Revenue. Bidding documents are available on the EPADS portal and can be downloaded from www.eproc.gov.pk. The bid security must be submitted in original form before the closing time. Bids will be opened publicly on the closing date at the specified time and venue.