Leave Your Message

Quality Control Standards for Fastener Manufacturing

Precision, Consistency, and Traceability in Every Component. Your Trusted Partner for Non-Standard Hardware Solutions.

Tech Icon AI-Driven Precision Manufacturing

Established in 1998, Dongguan Yuhuang Electronic Technology Co., Ltd. integrates R&D, production, and sales. Operating across two major bases covering 20,000 square meters, we specialize in GB, ANSI, DIN, JIS, and ISO standard fasteners, alongside bespoke non-standard hardware.

20,000㎡
Production Facility
600+/min
Optical Sorting Speed
0.006mm
Machining Tolerance

Inspection Icon Multi-Stage Inspection Process

Addressing buyer concerns about product consistency and traceability with our state-of-the-art optical separation and full inspection workshops.

Quality Team in Action

Ensuring 100% Flawless Appearance

Our automated optical sorters can accurately detect screw dimensions and surface defects, preventing any material mixing. Processing over 600 screws per minute, we guarantee uniformity.

  • Automated visual inspection for dimensional accuracy
  • Defect detection using advanced AI algorithms
  • Comprehensive traceability from raw material to finished product
  • Dedicated full inspection workshop for manual verification

Lab Icon Advanced Laboratory Testing (ISO & ASTM Standards)

Our comprehensive laboratory is equipped with cutting-edge testing equipment to ensure every product meets stringent international standards.

Hardness

Mechanical Testing

Utilizing Vickers and Rockwell hardness testers, alongside tensile machines, we ensure exceptional structural integrity and tensile strength.

Torque

Torque & Embrittlement

Digital torque meters record specific values, while specialized refrigeration units conduct hydrogen embrittlement tests to prevent breakage.

Chemical

Elemental Analysis

X-ray fluorescence spectrometers perform detailed elemental analysis, ensuring RoHS and REACH environmental compliance.

Gears Icon Comprehensive Production Capabilities

We are experts in non-standard fastener solutions, providing one-stop hardware assembly. Our equipment includes multi-station cold heading machines, tooth rolling machines, and CNC lathes.

  • Screws & Nuts: M1-M16 specifications
  • Stamping Parts: Progressive dies (0.1mm+) & Single dies (3-5mm)
  • Precision Lathe Parts: Tolerances down to 0.006mm
  • Gaskets: Elastic, flat, and square pads
Testing Equipment

Certificate Icon Global Certifications & Trusted Partners

Certified for excellence and trusted by industry leaders across 40+ countries.

ISO 9001

Quality Management

ISO 14001

Environmental Management

IATF 16949

Automotive Quality

Recognized as a "High-tech Enterprise", our REACH and ROHS compliant products serve prominent brands including Xiaomi, Huawei, KUS, and SONY. We supply critical components to industries ranging from 5G communications and aerospace to new energy and AI.