AIRFLANJ

CONSTRUCTION, INSTALLATION AND MAINTENANCE OF DUCT SYSTEMS-NAMELY, AIR CONDITIONING DUCT SYSTEMS, HEATING DUCT SYSTEMS, VENTILATING DUCT SYSTEMS, EXHAUST DUCT SYSTEMS, DRY MATERIAL TRANSFER DUCT SYSTEMS, DUST COLLECTION DUCT SYSTEMS, MODULAR DUCT SYSTEMS AND DISMOUNTABLE DUCT SYSTEMS