In July 1979, the latest series of domestic engineering machinery products, the ZL40 wheeled loader, was successfully trial-produced.

In October 1984, the first ZL50 wheeled loader was successfully prototyped.

On July 15, 1985, the product trademark Weilai Brand of Shandong Linyi Engineering Machinery Factory was officially registered with the State Trademark Office.

In December 1986, Wang Zhizhong was appointed as the factory director and general secretary of the Party committee of Shandong Linyi Engineering Machinery Factory.

In 1987, Wang Zhizhong, the factory director, signed a contract for contracted management on behalf of Shandong Linyi Engineering Machinery Factory with the Economic Commission and Finance Bureau of Linyi District.

The ZL50 wheel loader was awarded the title of "Excellent New Product” in Shandong Province.

In December 1991, Linyi Engineering Machinery Factory was designated as a pilot enterprise for deepening enterprise reform in Shandong Province.

In 1993, Shandong lingong entered the list of Top 100 biggest machinery industries in China.

In March 1993, Wang Zhizhong was elected as a deputy to the Eighth National People's Congress.

On October 1, 1993, the factory newspaper of Linyi Engineering Machinery Factory, Weili Newspaper, was founded.

On March 28, 1994, the founding meeting and first shareholders' meeting of Shandong Linyi Engineering Machinery Co., Ltd. was held.

On June 1, 1994, the donation ceremony for the Hope Project was held at Pengguan Primary School in Zhongshan Township, Mengyin County, by Linong Shareholding Company.

In April 1995， Mr. Wang Zhizhong achieved the award of “National model worker”

In March 1998, Shandong Linyi Engineering Machinery Co., Ltd. passed the ISO9001 quality system certification.

On April 8, 2005, the opening ceremony of Shandong Lingong Postdoctoral Research Station was held in Jinan.

In November 2005, Shandong Lingong held a grand ceremony to celebrate the completion of the industrial park and the annual production and sales exceeding 10,000 units.

On September 27, 2006, Shandong Lingong and Volvo Construction Equipment Company officially signed a strategic cooperation agreement.

On July 9, 2008, the launch conference of Shandong Lingong's new brand strategy was held in Beijing.

On April 28, 2011, Shandong Lingong was awarded the National May Day Labor Medal.

On November 18, 2011, the celebration conference for Shandong Lingong's sales revenue exceeding 10 billion yuan was grandly held at Lingong Industrial Park.

In December 2014, Shandong lingong won “Shandong Governor Quality Award”

On March 28, 2016, Chairman Wang Zhizhong was awarded the Lifetime Achievement Award in China's Engineering Machinery Industry by the China Construction Machinery Industry Association.

On November 10, 2016, Shandong Lingong won the 16th National Quality Award.

On October 24, 2019, Shandong Lingong won the European Quality Award, becoming the first Chinese engineering machinery manufacturing enterprise to receive this honor.

In 2023, Shandong Lingong’s Wheel loader was awarded as the “Manufacturing Individual Champion”.