NF Energy Saving Corporation is a provider of energy services. The Company's principal business is the production and sales of energy-saving flow control equipment, and intelligent flow control equipment. The Company operates through two segments: Heavy manufacturing business and Energy-saving related business. The Heavy manufacturing business segment includes production of valves components and the provision of valve improvement and engineering services. The Energy-saving related business segment includes provision of energy-saving related re-engineering and technical services, and long-term construction project. It provides equipment related to desulfurization, denitration and dust removal for electric power generation, metallurgy, petrochemical, steel, cement and heating supply industries, and provides consulting services, such as energy efficiency optimization design, energy consuming equipment retrofit and engineering, equipment maintenance and services, and energy management.