Manufacturing Process
From raw material inspection to final testing and shipping — JINXING follows a structured 9-step manufacturing process that ensures every transformer meets IEC 60076 / IEEE C57 standards and customer specifications.
9-Step Manufacturing Flow
Each transformer passes through these quality-controlled stages, with witnessed checkpoints and documentation at every step.
Complete Manufacturing Process Panorama
From raw material to shipping — a visual overview of our 8-stage production workflow.
Key Manufacturing Capabilities
50,000㎡ Factory
Modern manufacturing facility with dedicated zones for winding, core assembly, tank fabrication, and testing.
CNC Core Cutting
Precision step-lap core cutting lines for low-loss silicon steel cores, ensuring minimal no-load loss.
VPI System
Vacuum Pressure Impregnation system for thorough insulation treatment of windings.
Drying Ovens
High-vacuum drying ovens for moisture removal before oil filling, ensuring insulation integrity.
Oil Treatment
On-site oil purification and filtration system to achieve required breakdown voltage and moisture content.
15+ Engineers
Experienced design and manufacturing engineers, with 20+ years of transformer production expertise.

Controlled production, visible checkpoints
See how design approval moves through material inspection, core and winding production, assembly, drying, testing and export packing.
Want to see our factory?
Contact us to arrange a factory visit or request a virtual tour. We welcome customer inspections and third-party witness testing.
