Domestic trucks and light trucks are all four cylinders. China Heavy Duty Truck Engine is an engine brand owned by China Heavy Duty Truck Group, with two production bases in Hangzhou, Zhejiang and Zhangqiu, Shandong. China National Heavy Duty Truck began to develop diesel engines on 1958, which is the earliest large-scale backbone enterprise and national high-tech enterprise specializing in the production of heavy-duty high-speed oil engines in China.

1964, the company independently developed the first domestic 6 120 high-speed vehicle diesel engine, which filled the blank of domestic heavy-duty vehicle diesel engine production.

Quality management system

China National Heavy Duty Truck Engine adheres to the quality policy of "science and technology as the guide, quality as the center, prevention as the priority, continuous improvement, and providing users with satisfactory products and services", and encourages employees to "strive for the first" and continuously improve product quality and work quality. June 1997 1 1 passed the ISO900 1 quality system certification and registration;

In 2002, it passed the ISO900 1:2000 quality management system certification; In 2004, it passed the third-party certification audit of GJB900 1A:200 1 standard; In June 2005, it passed the third-party certification audit of ISO/TS 16949:2002 standard.