At 9:00 am on January 8, 2022, Weichai Power released the world's first diesel engine with a base engine thermal efficiency of 51.09% and major achievements in hydrogen technology achievements.

On January 4, 2022, the first day at work after the New Year holiday, Weichai Group held a ceremony in the production workshop of the Weifang headquarters to celebrate Weichai Group’s production and sales of 1.05 million engines in 2021. Under the witness of employees and customer representatives, Tan Xuguang delivered the "1.05 millionth engine" to Shacman.

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At 8:00 am on December 31, 2021, Qingdao Government and Weichai Group signed a strategic cooperation memorandum and agreed on Weichai Power’s Global Future Technology R&D Center, Weichai Power (Qingdao) Technology Incubation Center, Weichai (Qingdao) Marine Equipment manufacturing center and other projects in a package of strategic cooperation agreements. Lu Zhiyuan, member of the Standing Committee of Shandong Provincial CPC Committee and Secretary of Qingdao Municipal CPC Committee, Zhao Haozhi, Deputy Secretary of Qingdao Municipal CPC Committee and Mayor, Secretary of CPC Committee and Chairman of Shandong Heavy Industry Group, and Chairman of Weichai Group Tan Xuguang attended the event and witnessed the signing.

Focusing on "Let Vehicle and Engine Business Lead the Way", Tan Xuguang went to Liaocheng Zhongtong Bus and the intelligent networked heavy truck plant (stage 1) at Shandong Heavy Industry - CNHTC (Laiwu, Jinan) Green Intelligent Manufacturing Industrial City on December 22, 2021 for conferences.

On the morning of December 19, 2021, Tan Xuguang led a team to Weichai Lovol to research on smart agricultural machinery and smart agricultural business, he visited overtime employees, held a symposium, and checked the shortcomings of the global first-class level. He proposed that Weichai Lovol should play the leading role and lead the modernization of Shandong agricultural machinery to the forefront of the China and the world.

On the afternoon of December 16, 2021, the first phase of the KION forklift (China) project and the start of the Dematic project were held in Jinan, Shandong. Sun Licheng, member of the Standing Committee of the CPC Shandong Provincial Committee and Secretary of the Jinan Municipal Party Committee, attended the event and jointly launched the first new energy forklift off the assembly line with Tan Xuguang and announced the start of the Dematic project.

On the morning of December 13, 2021, Shandong Heavy Industry held a symposium for the management team of the Group and subsidiaries to study the spirit of the government economic work conference. Tan Xuguang, Secretary of the CPC Committee and Chairman of the Group presided over the meeting.

At 11:30 am on November 29, 2021, China Yangtze River Shipping Group Co., Ltd. and Weichai Holding Group Co., Ltd. signed a strategic cooperation agreement. Zhang Rui, Secretary of the CPC Committee and Chairman of Yangtze River Shipping Group, Tan Xuguang, Secretary of the CPC Committee and Chairman of Shandong Heavy Industry Group and Weichai Group attended the signing ceremony.

At 5 pm on November 21, 2021, Tan Xuguang presided over a work meeting to mobilize the management team to improve the work style.