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¡¤ Ferrous metals:
Foundry pig iron, pig iron for making steel, electrolytic manganese
metal, etc..
¡¤ Non-ferrous metals & products:
Zing ingot, tungsten wire, aluminium ingot & pipe, copper wire,
copper tubes, brass rods, copper wire rope, copper bus bar, etc..
¡¤ Non-metallic minerals & products:
Asbestos products, asbestos carbonate composition, slate putty, kerb
stones, asbestos vinylrubber tiles, terrazzo tiles, marble, granite,
cement fluorspar, etc.
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