This tender invites bids for the supply of various industrial spares, filters, chemicals, and gas cylinders required by Pakistan Petroleum Limited in Karachi. The procurement covers machine bolts, desiccant silica gel, element filters for hydraulic oil systems, electrical items such as monitors and relays, spares for industrial engines and generating sets, miscellaneous laboratory chemicals and equipment, instrument air regulators, filter cartridges, spares for corrosion inhibitor injection packages, refrigerant gas cylinders, and helium gas refilling services. The scope involves sourcing high-quality materials and components essential for maintaining and operating PPL's industrial and laboratory equipment. Located in Karachi, the site demands reliable supplies to ensure uninterrupted operations. The technical specifications require adherence to industry standards for durability and compatibility with existing systems. Suppliers must be prepared to meet delivery schedules and quality assurance protocols to support PPL's operational efficiency. Bidders should ensure they meet the Pakistan Engineering Council (PEC) registration requirements relevant to their category and maintain an active FBR ATL status for the fiscal year 2025-26. It is advisable to prepare the Earnest Money in the form of a Call Deposit Receipt (CDR) as per tender instructions. Compliance with all regulatory and financial prerequisites will be critical for successful bid evaluation. The submission deadline is set for 09 April 2026 at 15:00 hours, with bid opening scheduled 30 minutes later. Bids must be submitted online through PPL's e-procurement portal accessible at https://eprocurement.ppl.com.pk. The physical address for correspondence is Senior Manager Procurement, Pakistan Petroleum Limited, PIDC House, 4th Floor, Dr. Ziauddin Ahmed Road, Karachi. Pro-Tip: Make sure to review the tender documents carefully for specific Earnest Money and technical bid submission requirements. Often, bidders overlook the exact format and validity period of the Call Deposit Receipt, which can lead to disqualification. Also, verify your FBR ATL status well in advance to avoid last-minute issues.