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Precision Engineering for Global Innovation

YF ELECTRONICS (HK) CO., LIMITED – Your trusted partner in precision plastic molds, optical grinding, EDM, and high-tolerance metal components since 2011.

YF Electronics Precision Manufacturing

About YF Electronics

Innovating Precision Manufacturing Since 2011

Founded in 2011 and headquartered in Humen Town, Dongguan City, Guangdong Province, YF ELECTRONICS (HK) CO., LIMITED has grown into a leading provider of precision engineering solutions. Our 1,600+ square meter facility houses a team of 60 skilled professionals, including experienced technicians dedicated to excellence in mold and metal part production.

We specialize in manufacturing precision plastic molds, auto parts molds, LED precision molds, and computer connector molds. Equipped with advanced machinery from renowned brands such as MITSUBISHI, Seibu, Sodick, and WAIDA—including mirror discharge machines, optical grinders, and wire-cut EDM systems—we ensure unmatched accuracy and consistency in every component.

Guided by our core values of self-improvement, innovation, integrity, and dedication, we adhere to a strict quality philosophy: "Continuous improvement, pursue quality, technical innovation, seek perfection."

Factory Floor Precision Components CNC Machining Quality Inspection

Our Mission

To deliver superior precision engineering services by leveraging cutting-edge technology, continuous innovation, and a customer-first approach. We aim to be the preferred global partner for high-quality mold and metal components.

Core Values

  • Self-Improvement: Constantly evolving our skills and processes.
  • Pragmatic Innovation: Practical solutions driven by real-world needs.
  • Integrity & Dedication: Honest partnerships and committed service.
  • Quality Excellence: Relentless pursuit of perfection in every detail.

Our Product Range

High-Precision Components for Demanding Industries

Precision Plastic Molds

Precision Plastic Molds

Engineered for durability and accuracy in high-volume production environments. Ideal for automotive, electronics, and consumer goods.

  • • Tolerance: ±0.002mm
  • • Materials: P20, 718, S136, NAK80
  • • Applications: Connectors, housings, lenses
Plastic Mold Parts

Plastic Mold Components

Core pins, ejector sleeves, sliders, and other critical mold elements manufactured with micron-level precision.

  • • Hardness: HRC 48–52
  • • Surface Finish: Ra 0.05–0.1μm
  • • Inspection: Nikon/Trimos CMM
Press Tools

Press Tools & Dies

Custom-designed stamping dies and press tools for sheet metal forming with long service life and consistent output.

  • • Materials: SKD11, D2, Cr12MoV
  • • Processes: Blanking, bending, drawing
  • • Life Span: 500K+ cycles
Optical Coordinate Grinding

Optical Coordinate Grinding

Ultra-precise grinding using optical alignment systems for complex geometries and tight tolerances.

  • • Accuracy: ±0.001mm
  • • Equipment: Imported optical grinders
  • • Ideal for: Mold cores, inserts, gauges
Grinding Processing

Precision Grinding

Surface, cylindrical, and centerless grinding services for achieving mirror finishes and dimensional accuracy.

  • • Tolerance: ±0.003mm
  • • Surface Finish: Ra 0.02–0.08μm
  • • Materials: Steel, carbide, ceramics
EDM Processing

EDM (Electrical Discharge Machining)

Mirror-finish EDM using Sodick and Mitsubishi machines for intricate cavities and hardened materials.

  • • Finish: Mirror polish (Ra 0.025μm)
  • • Electrodes: Graphite & copper
  • • No mechanical stress on workpiece
WEDM / Line Cutting

WEDM (Wire Cut EDM)

High-speed wire cutting for complex profiles and tapers with excellent surface integrity.

  • • Taper Cutting: Up to ±30°
  • • Accuracy: ±0.002mm
  • • Max Height: 400mm
Hardware Mold Accessories

Hardware Mold Accessories

Guide pillars, bushings, locating rings, and standard mold bases for reliable mold assembly.

  • • Precision-ground alignment
  • • Wear-resistant coatings available
  • • Interchangeable standards
Precision Metal Parts

Precision Metal Components

Custom CNC-machined parts for industrial, medical, and electronic applications requiring tight tolerances.

  • • Materials: Aluminum, stainless steel, brass
  • • Tolerances: ±0.005mm
  • • Finishes: Anodizing, plating, passivation
Auto Parts Molds

Automotive Mold Solutions

Molds for interior trims, connectors, sensors, and lighting systems meeting automotive quality standards.

  • • IATF 16949-aligned processes
  • • High-cavitation capability
  • • Rapid prototyping support
LED Precision Molds

LED Optical Molds

High-gloss molds for LED lenses, reflectors, and diffusers with precise light control geometry.

  • • Mirror-polished cavities
  • • Thermal stability design
  • • Compatible with PC, PMMA
Computer Connector Molds

Connector & Terminal Molds

High-precision molds for electrical connectors, sockets, and terminal blocks used in electronics and telecom.

  • • Multi-cavity & insert molding
  • • Fine pitch capability
  • • EMI/RFI shielding integration

Our Capabilities

Advanced Equipment for Superior Results

EDM Technology

Mirror-finish machining with Mitsubishi and Sodick EDM systems for hardened steels and complex shapes.

Optical Grinding

Sub-micron accuracy using coordinate optical grinders for mold cores, inserts, and precision tools.

Quality Control

Nikon and Trimos CMMs ensure every part meets strict dimensional and geometric specifications.

Rapid Delivery

Efficient workflows and lean manufacturing ensure on-time delivery without compromising quality.

2011
Founded
60+
Employees
1,600+
m² Facility
1000+
Projects Delivered

Latest News & Insights

Stay updated with industry trends and company developments

January 30, 2018

Precision Connector Technology

The precision connector involves many aspects, such as product design, technology and quality control. It plays a key role in electronic devices and communication systems.

October 25, 2017

China's Die & Mould Industry Outlook

In order to adapt to the situation, China's mold industry has accelerated the pace of institutional reform and technological innovation, showing strong export potential.

August 25, 2017

Correct Maintenance of Plastic Molds

Proper care significantly extends mold life. Regular cleaning, lubrication, and storage prevent corrosion and deformation.

Contact Us

Get in touch for quotes, collaborations, or technical inquiries

Office Address

UNIT 04, 7/F, BRIGHT WAY TOWER, NO.33 MONG KOK ROAD, KOWLOON, HONGKONG

Phone

+852-27027279

Mobile: +86 15818285883 / 13620088258 (Miss Sandy)

Email

sales@yifengelec.com

Visit Our Website

Visit Official Website

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