• Ing April 2021, gabung karo Cabang Casting Precision saka China Foundry Association
• Ing tanggal 27 Maret 2021, Teknologi Yungong melu ing ". Festival E-commerce Wuhan Liangzhilong China kaping 9 ing 2021"
• 21 April 2021, Yungong Technolgoy melu ing 15th China Foundry Industry Innovation and Trend Conference
