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      • Tunnel construction machinery

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      • Bridge Engineering

        Bridge Engineering

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      • Rail transportation system

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      • Heavy construction machinery

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      • The electric power industry

        The electric power in…

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      • Mold manufacturing

        Mold manufacturing

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      • The automotive industry, car

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      • Compressor

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      • Agricultural machinery

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      • Oil drilling rig (onshore or offshore oil

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      • Equipment transmission system

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      • Drilling equipment

        Drilling equipment

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      • Mining equipment

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      • Wind power generation equipment

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