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We make the core right

Zhongwei Willis Electric Technology Co., Ltd. manufactures every type of transformer core for transformer builders worldwide.

Company

Focused on cores, serving transformer makers

We produce laminated cores, wound cores, amorphous alloy cores, cut cores and complete kits.

Positioning

A dedicated core partner for transformer plants.

Philosophy

Precision drives efficiency.

Markets

Exporting to more than 30 countries.

Core assembly
Inside our factory

Real production floor

Three-phase stacked cores with clamping frames
Core assembly
Large laminated core ready for winding
Laminated core
Finished core kits lined up for inspection
Pre-shipment check
Production hall with rows of transformer cores
Production hall
Core stacks under overhead crane
Workshop floor
Step-lap laminated cores in batch production
Batch production
Red-framed wound cores in assembly
Wound core line
Detailed view of clamping structure and tie rods
Clamping detail
Assembled cores stored before testing
Storage area
Core bottom frame and base structure
Base frame
Complete core kit on workshop floor
Complete kit
Milestones

One step at a time

Start

Entering core manufacturing

First cut-to-length line for laminated cores.

Expansion

Wound core line

CNC winding and vacuum annealing added.

Upgrade

Amorphous and high-efficiency cores

Amorphous alloy cores in production.

Export

Complete kits worldwide

Core kits exported to 30+ countries.

Standards

Built to standard, inspected beyond it

ISO 9001 quality system Production to GB and IEC 60076 SGS or BV third-party inspection Heat-number traceability Fumigated export crates
±0.05°Cutting angle tolerance
≤0.02mmBurr height
24hInquiry response
15–25 daysStandard lead time

We would like to work on your next transformer project

One core or a full kit — either way, let us talk.

Contact