Mun Siong Engineering Limited provides mechanical and electrical engineering services for the oil and gas, process, petrochemical, energy, chemical, power, and pharmaceutical industries worldwide. It also provides engineering and design consulting; fabrication and erection of steel structures, fixed equipment, and piping work; plant shut-down/turnaround management services; re-tubing, repair, modification, tube shooting, and new built of heat exchanger; on-site flange re-facing services; ultra-high-pressure abrasives waterjet cutting services; and mechanical de-coking of furnace and heaters. In addition, the company designs, constructs, and maintains storage tanks; supplies and repairs mechanical seals and systems; and designs, fabricates, and assembles equipment packages, as well as designs and fabricates heat exchangers, pressure vessels, instrumentation, and control systems. Further, it offers anti-corrosion and low surface energy coatings; removal, servicing, repairing, overhauling, and installation of rotating equipment; dynamic balancing services; scaffolding, insulation, and painting services; trenchless pipeline rehabilitation; and anti-corrosion thermoplastic coatings, as well as tube cleaners and plugs, and inserts.