Quality

IATF 16949 / ISO 9001 Certification

With 50 years of fastener expertise and an experienced staff of experts.

We recognize the significance of the drawing’s criteria and are committed to high-quality control and giving a rapid response to our customers’ requests.

ISO 9001
IATF16949
IATF16949

Patent & License

With the increasing expectations of our automotive customers. Long G has obtained the MAThread license and the authority to produce its products.

Quality Control

Our quality control systems begin with raw material inspections and end with finished product inspections. With our documented ” manufacturing history” and “product history,” we can track up and down to ensure that our products are in accordance with the customer’s released drawing and specifications.

Dimensional Measuring Equipment
Image Measuring
Dimensional Measuring Equipment
CMM Machine
Dimensional Measuring Equipment
Surface Roughness
Mechanical Analysis Equipment
2.5D Projector
Mechanical Analysis Equipment
Tensile
Mechanical Analysis Equipment
Vick Hardness
Mechanical Analysis Equipment
Rockwell Hardness
Chemical Analysis Equipment (Raw Material)
Spectrometer
Others Inspection Gauges
Cutter Machine
Others Inspection Gauges
Mounting Press
Others Inspection Gauges
Polish Machine
Others Inspection Gauges
Microscope
Chemical Analysis (Surface treatment)
SST Tester
Dimensional Measuring Equipment
Concentric Tester
Dimensional Measuring Equipment
Head Height Tester
Dimensional Measuring Equipment
Ring Gauge