On July 5, 2018, Mr. Ace Viboolcharern, Public Debt Advisor, Ms. Sirasa Kanpittaya, Deputy Director-General, together with executives from 21 state-owned enterprises and PDMO staffs visited the Chang Hua Man Royal Project, which was initiated by His Majesty the late King Bhumibol Adulyadej in Phetchaburi. The group learned about His Majesty the Late King's "Sufficiency Economy" philosophy through instructive excursion and demonstration, including experimental crop growing, livestock and dairy farming, and generation of renewable energy. The group also stopped by Golden Place store, which sells various agricultural products, to support the Project.