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100% Quality Inspection

Insisting on Quality is Nan Yun'sTradition

As the screw and barrel are critical parts for an extruding machine and injection molding machine , they dramatically affect the machine performance and product quality. Therefore, Nan Yun is dedicated to providing the best possible quality of screws and barrels for our customers. Nan Yun's quality control department employs high precision inspection instruments to conduct incoming inspections, on-process inspections and final product inspections . What we do is to guarantee the highest level of quality for each screw and barrel from Nan Yun .Furthermore, we have been fully recognized by numerous world-famous companies, which offer an approval of Nan Yun's efforts in quality control.


Microscopic Hardness Tester
Microscopic Hardness Tester


Surface Roughness Inspection
Surface Roughness Inspection


Test sample cutting, polishing and inserting
Test sample cutting, polishing and
inserting


Ultrasonic Crack Test Incoming Material Inspection
Ultrasonic Crack Test Incoming
Material Inspection


Plated Thickness Inspection
Plated Thickness Inspection


Surface Hardness Inspection
Surface Hardness Inspection


Screw Outside Diameter Inspection
Screw Outside Diameter Inspection


Inside Diameter Inspeciton
Inside Diameter Inspeciton