R&D Director, 42yrs. Graduated from Tsinghua University with a Ph.D. degree. Research area includes air and gas systems, medical gases and composite materials, and has served as a reviewer for many SCI journals.

Product Manager, 40 yrs. Graduated from Xi'an Jiaotong University with a bachelor's degree, Energy and Power engineering. Has been engaged in the compressor industry for about 20 years.

Energy Saving consultant, 41yrs. Graduated from Shanghai Jiaotong University with a master's degree. Senior Engineer, Cleaner Production Auditor, Investment Consulting Engineer. Has many years of experience in energy-saving engineering.