Engineered to German Standards, Priced with Chinese Efficiency
Jiangsu Dongyuan offers motor replacement solutions tailored to your industrial needs. Specializing in replicating discontinued or hard-to-source DC motors from global manufacturers like Siemens, ABB, Ansaldo, AEG, Hyosung, Reliance and more, we provide 100% compatible alternatives that integrate seamlessly into existing systems without requiring plant modifications.
Our Z series and Z4 series DC motors, engineered with modern VPI insulation and ISO/CE/UDEM-compliant designs, deliver identical performance to original equipment while avoiding costly production line adaptations.
To ensure a precise quotation for your replacement motor, simply email us the detailed parameters of the motor you need to replace. We will review the specifications and provide a formal quote in 1 business day based on your requirements.
Here is a motor inquiry sheet for your reference.

Work Process
How we work
Technical Documentation Submission
• Essential parameters: Rated power (kW/HP), rotational speed (RPM), voltage (VDC)
• Preferred documentation: Nameplate photo, existing CAD drawings, installation dimensional diagram
Engineering Design Validation
• Jiangsu Dongyuan initiates:
a. Technical analysis & compatibility assessment (1 business day)
b. Delivery of proposal package containing: Technical drawings in DWG/PDF (1 business day)
Manufacturing Execution Process
Upon final approval. we will start the manufacturing process.
• General purpose motors takes 30 calendar days.
• Special motors take about 40-45 calendar days.
Logistics & Post Sale Support
Logistics coordination (EXW/FOB terms available)
Provision of:
• CE certification documents
• Installation torque specifications
• Maintenance interval guidelines
Case Studies
Dongyuan’s motors applied in different industries
jiangsu dongyuan
Our motor Plant and Production
Jiangsu Dongyuan’s Motor Workshop delivers high-performance, custom electric motors with full-process manufacturing and rigorous quality control. Equipped with vacuum impregnation systems (enhanced insulation), annealing furnaces (material optimization), CNC lathes (precision machining) and factory acceptance testing area, the facility ensures motors with superior efficiency, durability, and tailored solutions. Backed by global market expansion and continuous investment, it meets diverse industrial demands while maintaining strict compliance and cost-effectiveness.
Repair cases
Motor assembly and testing
Jiangsu Dongyuan Motor Factory Testing Every motor undergoes rigorous end-to-end testing before leaving the factory.
Jiangsu Dongyuan operates a nationally certified testing center with a 3,000 kVA integrated testing capacity , capable of executing full-load tests up to 2,500 kW and no-load tests for high-power models exceeding 15,000 kW . The testing center integrates intelligent inspection systems , including: High-voltage variable-frequency test platforms (6–35 kV) , compatible with motors and generators of diverse voltage ratings; Multi-condition simulated load cabinets to precisely validate torque, efficiency, and temperature rise; Fully automated insulation withstand voltage testers , ensuring winding insulation compliance with the GB/T 755 standard .
jiangsu dongyuan
Electric Motors in Stock
- Immediate Support : Access to 100+ backup motors for emergency replacements within 48 hours.
- Flexible Terms : Use backup motors during repairs.
- Quality Assurance : Every backup motor undergoes 72-hour stress testing.

Experience
ABOUT US
Motor Solution for all Industries
As manufacturer and global supplier of AC/DC motors and industrial automation systems, Jiangsu Dongyuan operates with production facilities in Jiangsu Province and headquarters in Shanghai.
Jiangsu Dongyuan serves global clients across metallurgy, plastics, textiles, and paper industries.
– Extruder drives
– Crane drive
– Conveyor drive
– Paper and packaging machine drives
– Roller drive
– Drive test area
– Drives in pressers, kneading machines and mixers
JIangsu DOngyuan
Electric Motor Production Range

DC motors up to 3000 kW and 1000 V
1.5 kW – 3000 kW (3MW)
160 V – 1000 V

AC motors up to 3000 kW and 690 V
200 kW – 3000 kW(3MW)
380 V – 690 V

Special electric motors
Special usage such as Marine DC Motor, Crane Duty Motor, Elevator Motor, Mill Auxilary Motor and more.
LETS JOIN OUR TEAM
We offer industrial drive solutions
since 1995