Sui Northern Gas Pipelines Limited invites electronic bids from original manufacturers, authorized distributors, suppliers, contractors, and service providers registered with Income Tax and Sales Tax Departments. Bidders must possess a valid Professional Tax Clearance Certificate (2025-26) and be active taxpayers with the Federal Board of Revenue. The procurement is for the supply of testing material required for gas transmission and distribution operations. E-bidding documents containing detailed terms, conditions, specifications, and requirements are available for registered bidders on the EPADS platform. Electronic bids must be submitted by the specified deadline, and manual bids will not be accepted. The tender reference number for submission is F-25121453642.