Quality Control-Anhui Ningguo Dongbo Fastener Co., Ltd.

Quality system certification

To implement quality management, produce products that meet regulations and potential requirements, provide satisfactory services, and achieve the company's quality goals, the company has established IATF16949; The company has established the ISO 14001: 2015 "Environmental Management System Specifications and Usage Guide" management system.

We have obtained certifications of the international standards "IATF16949, ISO14001, and CNAS".

ISO14001
IATF16949
CNAS

Testing Center

The size, toughness, corrosion resistance, conical deformation, spiral height, limit speed, axial load force, and elasticity testing of the retaining ring are all completed in the internal laboratory.

Spectral analysis of raw materials
Tensile test of raw material performance
Product elasticity, toughness, conical deformation, seam gauge, limit speed test
Rockwell and Vickers hardness testing
Imager, three-coordinate testing
Cleanliness testing
Metallographic inspection
Product anti-corrosion neutral salt spray test, etc.

Advanced testing equipment

To continuously pay attention to and evaluate the product realization process, continuously improve customer satisfaction, and use it as a measure of the performance of the quality management system.
The company is equipped with performance testing equipment, element testing equipment, failure analysis testing equipment, and cleanliness testing to ensure that non-conforming products are identified and controlled to prevent the unintended use or delivery of non-conforming products.

Raw Material Testing
Product Process Analysis And Testing Equipment
Independently Developed The First Set Of Special Testing Equipment For Elastic Retaining Rings In China

SPECTRO Infrared Benchtop Spectrometer
Handheld Spectrometer
Universal Tensile Testing Machine

We conduct mechanical property tests, chemical composition analyses, and environmental adaptability assessments on incoming materials to ensure that the materials meet the standards and requirements of specific applications.