+ Energy Engineering
+ Transportation and Logistics
+ Geology, Mining, and Metallurgy
+ Urban Construction
+ Information and Communication
+ Chemical Industry
+ Water Conservancy Engineering
+ Environmental Protection
- Mechanical Manufacturing
Materials Processing Engineering
Cutting and Grinding Processing Engineering
Mechanical Basic Components
Standard Parts Engineering
Transmission Parts Engineering
Sealing Components Engineering
Mechanical Process Engineering
Specialized Processing Engineering
Surface Treatment Engineering
Hydraulic System Engineering
Pneumatic System Engineering
Electrical System Engineering
General Mechanical Equipment Engineering
Industrial Equipment Engineering
Construction Machinery Engineering
Special-Purpose Equipment Engineering
Operation and Maintenance
Intelligent System Engineering
+ Agricultural Engineering
+ General Equipment
+ Materials and Supplies
+ Light Industry Engineering
+ International Trade Services
Jinan Benan Technology Development Co., Ltd.
Hefei Changyuan Hydraulic Co., Ltd.
