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IN-HOUSE MANUFACTURING & QUALITY ASSURANCE
At SINO PORTAL, we maintain complete control over the production cycle within our specialized facility. From precision gear machining and heat treatment to rigorous CMM inspection and torque testing, our integrated manufacturing and quality control processes ensure that every portal axle system meets strict industrial standards for dimensional accuracy and structural reliability.
Core Manufacturing Processes

Precision Turning

Gear Hobbing

Gear Grinding

Gear Broaching

Heat Treatment

CNC Machining

Axle Assembly

Portal Axle Assembly
Quality Control Processes

Bevel Gear Meshing Test

Helical Gear Measurement

CMM Inspection

Hardness Testing

Metallographic Analysis

Tensile Testing

Runout Testing

Torque Testing
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