Kunming Yunnei Power Co., Ltd.

Company Profile




No.66, Jingjing Road, Economic and Technological Development Zone, Kunming City, Yunnan 650200, China

Business Overview

-China's leading supplier of diesel engines for passenger cars, commercial vehicles, and off-road vehicles. The Company operates engine and industrial-electronics businesses.

-The main products are automotive diesel engines and off-road-vehicle diesel engines.
The Company’s automotive diesel engines are featured on the DEV (Yunnei Dewei Power) series and YN (Yunnei) series.

  • DEV series: for light-, medium- and heavy-duty trucks, small buses, pick-up trucks, and passenger cars.
  • YN series: for light- and medium-duty trucks, construction dump trucks, and small buses.

-The Company supplies dozens of automotive OEMs in China and exports to Europe, South America, Africa, and Southeast Asia.

-The Company produces engines at four sites, which are in Kunming, Chengdu, Qingzhou and Hefei, China, and has an annual production capacity of 750,000 engines. The Company is currently building a production plant with a production capacity to build 100,000 G-Series energy-saving and environmentally-friendly light-duty commercial vehicle gasoline engines.


Listed on the Shenzhen Stock Exchange (As of Dec. 31, 2022)
Shareholders Shareholding ratio
Yunnan Yunnei Power Group Co., Ltd. 32.99%
Others 67.01%
Total 100%


-Commercial vehicle diesel engines
-Passenger car diesel engines
-Diesel engines for off-road equipment
-Natural gas engines
-New energy powertrains
-High-pressure common-rail diesel engines
-High-pressure common-rail natural aspirated engines
-Electrically controlled high-pressure common-rail engines
-Eco-friendly lenergy-saving engines
-Frame assemblies
-Compartment assemblies
-Insulation films
-Water pump assemblies
-Injection pump assemblies
-Power steering pumps
-Piston rings
-Piston pins
-Cylinder liners


1956 Established as Yunnan Diesel Engine Plant.
Jul. 1998 Yunnan Diesel Engine Plant established Kunming Yunnei Power Co., Ltd.
Apr. 1999

Listed on the Shenzhen Stock Exchange.

Jul. 2001 Acquired Chengdu Diesel Engine Plant and changed the corporate name to Chengdu Yunnei Power Co., Ltd.
Jan. 2004 Acquired Sichuan Huachuan Automobile Co., Ltd. and changed the name of the company to Yunnei Power Dazhou Automobile Co., Ltd.
Oct. 2009 Established Kunming Leimo Power System Co., Ltd., a wholly owned subsidiary in the Kunming Economic and Technology Development Zone.
Oct. 2012 Transferred all shares in Yunnei Power Dazhou Automobile Co., Ltd.
Absorption merger of subsidiary, Kunming Leimo Power System Co., Ltd.
The Company established Shandong Yunnei Power Co., Ltd. in Shandong province.
Jan. 2014 The Company's holding company, Yunnan Diesel Engine Plant, reformed its organization and changed the company’s name to Yunnei Power Group Co., Ltd.
Jul. 2014 The Company established a new subsidiary in Wuxi, Jiangsu, named as Kunming Yunnei Power Co., Ltd..
Dec. 2014 The Company announced to form a new joint venture, Wuxi Tongrun New Energy Automotive Power Systems Co., Ltd. (tentative name).
Jun. 2015 The Company set up a new company called Wuxi Tongyi Automotive Power Technology Co., Ltd. with Tianjin Santroll Electric Automobile Technology Co., Ltd.and Zhongheng Anxin (Beijing) Smart & Tech Co., Ltd.  The Company held 56.67% shares of the new company.
Jun. 2017 The Company's controlling shareholder, Yunnan Yunnei Power Group Co., Ltd, will set up a new company, CATARC Motor Vehicle Plateau Quality Inspection Center (Yunnan) Co., Ltd., jointly with China Automotive Technology and Research Center (CATARC) and Sino-Precious Metals Holding Co., Ltd.
Jul. 2017 The Company established Wuxi Mingheng Hybrid Power Co., Ltd. with Corun Hybrid System Technology Co., Ltd.
Jul. 2019 The Company acquired 100% shares of Hefei JAC Chaoyang Diesel Engine Co., Ltd. (now Hefei Yunnei Power Co., Ltd.), a subsidiary of Anhui JAC Motor Group Co., Ltd.
Mar. 2020 Shenzhen Pritel Technology Co., Ltd. acquires 55% of the shares of Yunnan Yunnei New Energy Technology Co., Ltd.
Sep. 2020 Shenzhen Pritel Technology Co., Ltd. and 4 other companies established Shandong Donghong Guangyuan New Energy Technology Co., Ltd.
Apr. 2021 The Company and Chongqing DCW Group Co., Ltd. jointly set up Chongqing Banggao Power Technology Co., Ltd.
Nov. 2021 Yunnan Yunnei Power Group Co., Ltd. completes the acquisition of 60% of Taiyuan Jiangling Power Co., Ltd. After the transaction was completed, Taiyuan Jiangling Power changed its name to Shanxi Yunnei Power Co., Ltd.

Supplemental Information 1