🏭 Corporate Overview & Capacity
Established in 1998, Dongguan Yuhuang Electronic Technology Co., Ltd. integrates production, R&D, sales, and service, specializing in non-standard hardware fasteners and precision components (GB, ANSI, DIN, JIS, ISO).
🔬 Comprehensive Quality Control Process
Our state-of-the-art laboratory and inspection workshops ensure 100% flawless appearance and structural integrity through rigorous testing protocols.
Incoming Material & Optical Sorting
Equipped with an advanced optical separation workshop. The optical sorter accurately detects screw dimensions and defects, preventing mixing, inspecting over 600 screws per minute.
In-Process Monitoring
Continuous visual inspection in our full inspection workshop guarantees uniformity. Torque meters record values ensuring compliance with customer requirements.
Advanced Final Testing
Utilizing X-ray fluorescence spectrometers for elemental analysis and RoHS compliance, alongside tensile machines for strength verification.
🤖 AI-Enhanced Inspection Visuals
Showcasing our high-tech testing environments and automated inspection capabilities.
🛠️ Extensive Testing Equipment Arsenal
Our laboratory is fully equipped to meet the most stringent industrial standards.
Hardness & Strength
Vickers and Rockwell hardness testers, plus tensile machines to guarantee material integrity and structural strength.
Environmental & Chemical
Salt spray testing machines, constant temperature/humidity boxes, and X-ray spectrometers for environmental protection verification.
Specialized Testing
Hydrogen embrittlement testing (refrigerator method) to prevent breakage, metallographic cutting/inlaying, and friction resistance testing.
Precision Measurement
Two-dimensional imaging, digital display micrometers, ring gauges, competition gauges, and needle depth meters.
🏭 Manufacturing Capabilities
From multi-station cold heading to high-precision CNC machining.
Screws & Nuts
M1-M16 screws via multi-station cold heading and tooth rolling. M2-M16 nuts, including knurled and inlay variants from automatic lathes.
Stamping & Gaskets
High-precision progressive dies (0.1mm+) and single dies (3-5mm) for elastic, flat, and square pads.
Precision Machining
CNC and centering machines delivering custom lathe parts with tolerances as tight as 0.006mm.
📜 Global Certifications & Partnerships
Recognized as a "High-Tech Enterprise", supplying industry leaders across 5G, Aerospace, Automotive, and Consumer Electronics.
Trusted by global brands including Xiaomi, Huawei, KUS, and SONY. We provide comprehensive R&D, technical support, and personalized customization. Adhering to "quality first, customer satisfaction, continuous improvement, and excellence."