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Company Introduction

Caterpillar (Qingzhou) Ltd. (CQL), formerly Shandong SEM Machinery Co., Ltd. was founded in 1958 and reorganized as a shareholder company in 2003. In 2008, Caterpillar (Qingzhou ) Ltd. became a full acquisition of Caterpillar and today is an important Caterpillar brand supporting the fast growing China customer base. Caterpillar (Qingzhou ) Ltd. is located in Qingzhou City, in eastern Shandong province, which is easily accessible by major highways. 

At a wholly-owned subsidiary of Caterpillar, CQL will produce both SEM brand products including wheel loaders, soil compactors, motor graders, track type tractor, landfill compactors & Pavement Machinery components, work tools and “Cat 950 GC”. SEM brand has become one of the machines brands of Caterpillar to support the increasing customers in China construction and engineering industry. To enhance the competitive position in China and other growing markets, Caterpillar has increased the investment and expansion at CQL facility since 2009.  With the support of local government, Caterpillar Qingzhou has acquired the land near the facility to expand capacity of product lines and other key components. In Qingdao, Caterpillar has made huge investment to build the world-class research and development center which has attracted the world’s top researchers and CQL research and development team to continuously develop innovative products according to market demand to meet the requirements of different customers.

Leveraging the leading distribution model and complete service support system, CQL has a broad distribution network across the nation with multiple domestic dealers at all levels and maintenance & service centers to provide the high added-value products and service and support the customers’ development and success maximally. The well-established international distribution network reaches more than 80 countries, including Southeast Asia, Africa and Middle East, Russia and CIS countries, Latin and Central America.

Value in Action



The Power of Honesty



The Power of Quality



The Power of Working Together



The Power of Responsibility



The Power of Endurance



2016.05 PAMA machining center was put into operation in CQL-www.js777金沙娱乐

2016.05  The 1,000th Cat950GC Wheel Loader rolled off the Production Line.

2015.03 The 10,000th SEM652B Wheel Loader rolled off the Production Line.

2014.03 SEM816LGP won Golden Prize of "China's Top 50 Construction Machinery Product of the Year" for technology innovation

2013.11 Shandong SEM Machinery co., Ltd. Officially renamed as Caterpillar (Qingzhou) Ltd.

2012.01.13 SEM held the opening ceremony for the new axle box workshop and the foundation laying ceremony.

2011.08 SEM won the first overseas order from Algeria.

2008.08 SEM and Weifang College of Education signed the agreement for the training center project. The project will promote the win-win development for SEM and the College and guarantee SEM's development. It is a long term cooperation project between SEM and the College. It aims to provide a learning center for SEM and its suppliers, dealers and the students and teachers of the College. It will provide the students various kinds of engineering classes with Caterpillar's existing education resources, including teachers from both Caterpillar University and Weifang College of Education.

2005.03.22 Sino-Us joint venture Shandong SEM Machinery Co., Ltd. invested by Caterpillar was officially established

2003 Signed the Letter of Intent for Cooperation with Caterpillar in Zhuhai

1978 Renamed the Factory to Yidu Machinery Factory

1977 Produced the first axle loader in China.

1958 Mihe Combinated Company Built Up

Social Responsibility

With increasing competition in various industries, in addition to high product quality and technological level, people will expect them more than just providing job opportunities and paying the taxations, people will expect them to shoulder the responsibility as a corporate citizen and promote society progress, protect the environment and ecology, help the vulnerable groups, participate in the community development and guarantee staff benefits, etc. In addition to excellent performance, an enterprise shall also shoulder social responsibility and become an excellent corporate citizen.  

Caterpillar (Qingzhou) Ltd. has actively participated in the public welfare activities for a long time and has established good image as a corporate citizen.

2001~2006, Caterpillar (Qingzhou) Ltd. built roads and digged wells for villages near the company.

2004~2007, Caterpillar (Qingzhou) Ltd. donated education facilities valued about 100,000 Yuan for Yunhe Middle School and Dongguan Hui Minority Middle School.-5wk.com

In 2008, Caterpillar (Qingzhou) Ltd. donated 47930 Yuan for Southern China’s snow disaster and participated “Helping the Disabled” activity.

2006~2010, Caterpillar (Qingzhou) Ltd. donated about 0.7 million Yuan.May 12, 2008, the Ms 8.0 Sichuan earthquake killed more than 60,000 people and made more than 100,000 people homeless. Caterpillar (Qingzhou) Ltd. quickly responded after receiving the news and advocated the staff to donate. Caterpillar (Qingzhou) Ltd.donated 803,000 Yuan for the disaster stricken area.

April 14, 2010, Yushu earthquake also made great damage. Caterpillar (Qingzhou) Ltd. donated a loader valued 380,000 Yuan and all the staff donated 501,400 Yuan for the disaster relief.

In October, 2016, CQL donated reading room facilities to local village school.Caterpillar (Qingzhou) Ltd.’s fulfillment of social responsibility won high praises from Qingzhou People and the government, and Caterpillar (Qingzhou) Ltd. also won great support from all societies, which lays a solid foundation for the company’s development.