Corrosion Fasteners
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Quality & Testing

Rigorous quality control and testing ensure every fastener meets the highest standards for corrosion resistance and reliability.

Quality Certifications

ISO 9001:2015

Certified in 2019. Our quality management system ensures consistent processes and continuous improvement across all operations.

IATF 16949

Certified in 2023. Automotive quality management system certification demonstrates our commitment to meeting automotive industry standards.

Quality Control Process

Quality control inspection process with precision measurement tools

Precision Measurement & Inspection

Every fastener undergoes rigorous dimensional inspection using digital calipers, optical measurement systems, and advanced quality control equipment. Our quality control team ensures that all products meet exact specifications before shipment.

Corrosion Testing

Salt spray testing chamber for corrosion resistance testing

Salt Spray Testing Equipment

Our state-of-the-art salt spray testing chamber allows us to verify corrosion resistance performance according to industry standards. We test our zinc-nickel plated fasteners to ensure they meet or exceed specified salt spray hours (typically 720-1000+ hours).

  • • ASTM B117 compliant testing
  • • Automated test cycles
  • • Precise environmental control
  • • Comprehensive test reporting

Testing Capabilities

Dimensional Testing

Digital calipers, optical comparators, and coordinate measuring machines ensure dimensional accuracy.

Coating Thickness

X-ray fluorescence (XRF) and eddy current testing verify coating thickness uniformity.

Mechanical Properties

Tensile strength, hardness, and torque testing validate mechanical performance.

Corrosion Resistance

Salt spray testing, humidity testing, and cyclic corrosion testing verify long-term durability.

Quality Assurance

Our comprehensive quality management system covers every stage of production, from raw material inspection to final product testing. We maintain detailed quality records and provide test certificates with every shipment.

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Incoming Material Inspection
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In-Process Quality Checks
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Final Inspection

Corrosion Fasteners

Fastener standards database and surface treatment solutions. Expert zinc & zinc-nickel plating for industrial fasteners.

Ningbo Ruixi Metal Surface Technology Co., Ltd.

+86-18268661068

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