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.