Changzhou Yameike Mechanical Equipment Co.,Ltd.（www.yameike.com）

Since 2001, We have maintained good cooperative relationship with "Changzhou Yameikem Mechanical Equipment Co., Ltd.",offering gear and crankshaft products for its series of single cylinder diesel engines.

Shandong Huayuan Laidong internal-combustion engine Co.,Ltd.（www.laidong.net）

Since 2002, We have maintained good cooperative relationship with "Shandong Huayuan Laidong internal-combustion engine Co.,Ltd.". The gear and crankshaft products are supplied for its single cylinder diesel engine series.

Changchai Co.,Ltd.（www.changchai.com.cn）

Since 2005, We have maintained good cooperative relations with the "Changchai Co.,Ltd.". The crankshaft products are supplied for its single cylinder diesel engine.

Xinjiang Goldwind Science Technology Co.,Ltd（http://www.goldwind.cn/）

Since 2015, We have maintained good cooperative relationship with "Xinjiang Goldwind Science Technology Co.,Ltd". Drive wheels and shaft products are supplied for its 1.5 MW,2.5 MW,3MW wind turbine.

Zhejiang JIE Holding Group Co.,Ltd.（www.jie.com.cn）

Since 2017,We have maintained good cooperation with "Zhejiang JIE Holding Group Co.,Ltd."Gear products are supplied for its gear reducer.

Jiangsu Oruige Transmission Parts Co.,Ltd.（http://org-auto.com/）

Since 2007, We have maintained good cooperative relationship with "Jiangsu Oruige Transmission Parts Co., Ltd". We have assisted on the development of gearbox gear and differential gear products for its two-speed electric vehicle.

SAIC Motor-CP Co.,Ltd.（www.saicgroup.com）

The company has established a cooperative relationship with saic and has been entrusted with the development of gear products related to auto parts.