Heavy Industries Taxila invites sealed bids for refurbishment of its Mechanical Autofreattage Facility including mechanical overhaul, hydraulic system upgrade, electrical and control system modernization, instrumentation, safety enhancements, and optional software automation. The contract includes delivery to Gun Factory, HIT Taxila, with an 8-month completion period after contract signing. The scope covers disassembly, inspection, replacement of worn parts, installation of modern hydraulic and electrical components, integration of PLC-based controls, safety compliance, calibration, validation, and operator training. Bidders must meet eligibility criteria, submit technical and financial proposals in separate envelopes, and comply with detailed terms and conditions including bid security, warranty, and performance guarantees.