Hetai has always considered product quality at the first place. The company has its own quality management system since its foundation. During the years, it has gained the quality certification of ISO, CE, IATF 16949, ROHS. Hetai also has internal & external quality audits to avoid any negligence.

Incoming Inspection

Measure Diameter Measure Length Measure Hardness

Stator Inspection

Measure Height Measure Resistance Test Waveform Test Phase Test Withstand voltage

Rotor Inspection

Rotor Positioning Measure core thickness Measure Rotor shaft length Check rotor misalignment Measure the outer circle

Brushless Motor Final Inspection

Meature Motor Length Measure the Shaft Length Measure the Outer Circle

Measure the Screw Hole Distance Measure the Length of Wire Measure the length of PVC

Test the Resistance Listenting Test the speed

Above images are just demonstration of inspection process sequence,do not

refer to all the quality control steps.

Stepper Motor Final Inspection

Measure the Length&Diameter Measure the Shape of the flange Measure the Body Length

of the shaft

Measure the Outer Diameter of Spigot Measure the Length of Spigot Measure the Screw Hole Distance

Test the Resistance Test the Inductance Measure the Wire Length

Above images are just demonstration of inspection process sequence,do not

refer to all the quality control steps.