Threaded couplings of metal; threaded metal products; reinforcing joints of metal for concrete framework; threaded bars of metal; reinforcing steel rods and anchor bolts of metal; reinforcing bar couplings of metal; mechanical splices for steel rods; metal construction materials; metal sleeves; metal couplings for building.

Building services; concrete stabilization services; foundation stabilization; sand stabilization (building services); ground stabilization; building repairs; repair of concrete grouting services; non shrink grouting (building services); pre-consolidation grouting (building services); lifting of concrete slabs (building construction); backfilling voids under building structures; tech waterproofing services (building services); mining extraction