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We produce high-ductility and high-precision products for you

Standard power chuck is made from high-quality SCM440 material from japan

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HEAD TO
THE GLOBAL MARKET

Under the brand “AutoStrong” Di Chun Iron Works has specialized in the manufacturing of power chucks, hydraulic cylinders, and collet chucks since 1974. earning the trust of wide range of customers and suppliers.

AUTO STRONG
FIFTY YEARS OF
RESOUNDING INTERNATIONAL
OUR RESPONSIBILITY Learn more >> >>

Large Wedge Power Chucks / Compound Power Chucks

Auto Strong New Release|Compound Power Chuck for Large ; A Highly Flexible Clamping Solution Designed for Vertical Lathes
FCD600 Ductile Iron/ High Hardness, Hard to deform

3-Jaw Extra Large Thru-Hole Power Chucks

approximately 20% higher speed, higher gripping force and larger bore compared with regular chucks
Sliding surfaces, master jaws and interior parts are hardened treatment

Pneumatic Power Chuck / Thru-Hole Air Chucks

Pneumatic chucks are commonly used for turning oil pipes(long tubes) and other cylindrical workpieces, as they provide stable
even clamping force and allow for quick workpiece changes, improving production efficiency.

OUR MILESTONES

TIME RECORDS
EVERY STEP OF INNOVATION