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Throughout the whole process of procurement, production, and consumption, NHU promotes the efficient use of resources and energy to ensure a sustainable way of consumption and production. The company constantly improves and refines procurement standards, making it greener in the sourcing of equipments, raw materials, and other necessities. We introduce the concept of green chemistry and atom economy with an emphasis on reducing carbon emissions, making effective use of resources, and promoting circular economy, thereby contributing to the sustainable development of mankind.