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Custom Component Solutions from China

Design, prototype, test, and mass-produce high-quality electronic, mechanical, and structural components with our expert engineering team based in Hong Kong and Shenzhen.

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About KucukDumlu

With over a decade of experience in the Far East, KucukDumlu partners with global companies to deliver tailored component manufacturing and engineering services. Our team includes senior engineers in electronics and mechanics, international trading specialists, and dedicated quality control professionals.

We specialize in semi-finished goods, component-based systems, spare parts, and project-based commodities. From custom components to full box-build solutions, we support every phase — from concept to mass production.

11+ Years of Manufacturing Excellence
Factory and engineering team

Our Core Services

We offer end-to-end engineering and manufacturing services across multiple disciplines, ensuring quality, scalability, and compliance.

Electronic Components

  • • Connectors, embedded & wireless modules
  • • Passive components & semiconductors
  • • Power supplies, transformers, optoelectronics
  • • Cables, wires, fuses, circuit breakers
  • • Relays, switches, fans, thermal management

PCB Fabrication

  • • FR4, polyimide, epoxy adhesive boards
  • • 1–40 layers, 0.5–3 oz copper thickness
  • • Up to 15:1 hole aspect ratio
  • • HASL, lead-free, gold, white tin finishes
  • • 6-color solder mask & silk screen options

Plastic Injection Moulding

  • • CNC milling & laser cutting
  • • Structural foam & aluminum molds
  • • Tight tolerance insert molding
  • • Rapid prototyping with 3D printing
  • • In-house engineering support

Tempered & Security Glass

  • • Waterjet CNC precision cutting
  • • Grinding, beveling, bending
  • • Automatic silk printing & tempering
  • • Explosion-proof overlay systems
  • • For industrial, appliance & furniture use

Iron Casting

  • • EN 1561 GJL-150, GJL-200, GJL-250
  • • Precise grinding & surface finishing
  • • Matte or glossy enamel finishes
  • • Up to 20 kg parts with disamatic sandboxing
  • • Ideal for cookers & industrial appliances

Box-Build & Integration

  • • Full system integration services
  • • Custom assembly & testing
  • • Quality assurance & packaging
  • • Scalable production lines
  • • Compliance with international standards

Our Products

High-quality, eco-conscious components designed for durability, performance, and seamless integration.

Electronic Controllers

Electronic Controllers

Precision-engineered control units for industrial and consumer applications, featuring embedded logic and wireless connectivity.

Cast Iron Components

Cast Iron Parts

Durable GJL-200 grade iron castings with precision grinding and enamel finish, ideal for cookers and heavy-duty appliances.

Burner Systems

Burner Assemblies

High-efficiency burner systems designed for gas appliances with optimized airflow and heat distribution.

Safety Glass Panels

Safety Glass

Tempered and explosion-proof glass panels with CNC shaping, beveling, and silk printing for appliances and furniture.

LED Lighting Modules

LED Lighting

Energy-efficient LED modules with custom optics, heat sinks, and drivers for industrial and residential use.

Plastic Components

Plastic Fabrication

Custom-molded plastic parts using CNC, injection molding, and 3D printing with tight tolerance and surface finish.

Control Knobs

Control Knobs

Ergonomic, durable knobs for appliances and industrial equipment, available in multiple materials and finishes.

Optoelectronics

Optoelectronic Systems

Integrated display and sensing modules with custom PCBs, enclosures, and firmware for smart devices.

11+
Years in Business
500+
Components Delivered
2
Facilities (HK & Shenzhen)
30+
Global Clients

Frequently Asked Questions

What regions do you serve?

We support clients globally from our offices in Hong Kong and Shenzhen, China, with logistics and export expertise.

Can you handle small-batch prototyping?

Yes, we offer rapid prototyping with in-house 3D printing, CNC, and engineering support for low-volume development.

Do you provide design assistance?

Absolutely. Our senior engineers provide full design, simulation, and testing support for mechanical and electronic systems.

Are your materials eco-friendly?

We prioritize sustainable materials and processes, including recyclable plastics, lead-free soldering, and energy-efficient production.

Get in Touch

Ready to start your next project? Reach out to our team for a consultation or quote.

Phone: +86 755 3316 0517

Email: [email protected]

Location: Shenzhen, Guangdong, China & Hong Kong

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