In the global pursuit of carbon neutrality, "sustainable development" has gone from a bonus to a mandatory requirement for businesses. Smart manufacturing is the most powerful tool for achieving this goal. Future factories will inevitably be green. IoT sensors precisely monitor energy consumption, data analytics optimize processes and reduce waste, and digital simulations achieve energy conservation and emissions reduction—all of this makes "green manufacturing" more than just a slogan. Smart technology not only improves production efficiency but also equips companies with a sustainable development compass, guiding a clear path to balance profitability and environmental responsibility. This will be the most crucial competitive advantage for the manufacturing industry over the next decade.