On May 20, during the 9th Green Factory Utilities Conference, Xue Huai Dong, Secretary-General of the HVAC and Refrigeration Branch of the China Electronic Energy-Saving Technology Association, visited the booth of Zigtoo (china) flow control technology co., ltd.and conducted a brief interview with company representatives. During the interview, General Manager Wei introduced how Zgotu’s low-resistance valve products help green factory air conditioning systems achieve high efficiency and energy savings.