PIPES & TUBES WITH FLANGES
7306500003
METAL JOINTS
7307190009
FLANGES MADE OF STEEL & STAINLESS STEEL CASTS (ALLOYS)
7307210008
METAL ANTI-LEAKAGE PRODUCTS
7307220011
IRON TIES AND FIXING CLAMPS
7307990006
PROPS & SUPPORTS
7308400002
IRON STRUCTURES & PALLETS
7308400010
ANTI-PRESSURE CONTAINERS, HEAT EXCHANGERS & TANKS
7309009045
STAINLESS STEEL TANKS
7310100006
PIPE ACCESSORIES
8307900002
OIL FIELD EQUIPMENT AND THEIR ACCESSORIES.
8430410001
CONTROL SYSTEMS IN OIL WELLS DRILLING EQUIPMENT.
8431490001
CHEMICAL INJECTION PALLETS IN PETROLEUM WELLS
8467110001
VALVES
8481809021
GASKET REPAIR, MAINTENANCE AND OVERHAULING
8484200015
REMOTE CONTROL SYSTEMS FOR GAS AND OIL PUMPING PLANTS
8525509002
CONDENSERS
8532290002
LIQUIDS MEASURING SYSTEM EQUIPMENT
9026100005
PARTS OF INSTRUMENTS FOR MEASURING THE FLOW OF LIQUIDS
9026900000
