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Industrial Manufacturing & On-Demand Production

JoinSun Technology delivers precision-engineered components with fast turnaround, advanced materials, and scalable manufacturing solutions for global industries.

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10+ Years

Industry Experience

98%

On-Time Delivery

50+ Countries

Served Globally

About JoinSun

Xiamen JoinSun Technology Co., Ltd is a leading industrial manufacturer based in Xiamen, China, specializing in on-demand production services for prototypes and low-to-mid volume manufacturing. With a focus on innovation, quality, and customer satisfaction, we serve industries ranging from consumer electronics and automotive to medical devices and smart hardware.

Our state-of-the-art facility integrates advanced CNC machining, 3D printing, die casting, injection molding, and comprehensive post-processing capabilities to deliver high-precision parts with fast turnaround times.

Precision Engineering

Tolerances down to ±0.005mm

Fast Turnaround

As fast as 3 days for prototypes

Global Logistics

DHL, FedEx, UPS, and sea freight options

Quality Certified

ISO-compliant processes and inspection

JoinSun Factory

Our Manufacturing Services

From concept to production, JoinSun offers a full suite of on-demand manufacturing technologies to bring your ideas to life with precision and speed.

CNC Machining

High-precision milling and turning for metal and plastic parts with tight tolerances and excellent surface finish.

  • • 3-axis, 4-axis, 5-axis machining
  • • Metals: Aluminum, Steel, Brass, Copper
  • • Plastics: PEEK, PC, ABS, Nylon

3D Printing

Rapid prototyping and small batch production using industrial-grade additive manufacturing.

  • • SLA, SLS, MJF technologies
  • • PMMA-Like, ABS-Like, Nylon-Like, TPU-Like
  • • High detail, smooth finish, functional testing

Injection Molding

Low-cost, high-volume production with excellent repeatability and surface quality.

  • • Rapid tooling (aluminum molds)
  • • 100–10,000+ part runs
  • • Overmolding and insert molding

Die Casting

High-strength metal components with excellent dimensional accuracy and surface finish.

  • • Aluminum Alloy & Zinc Alloy
  • • High-pressure die casting
  • • Ideal for complex geometries

Sheet Metal

Custom fabrication including laser cutting, bending, welding, and finishing.

  • • Steel, stainless steel, aluminum
  • • Prototypes to mass production
  • • Enclosures, brackets, chassis

Post-Processing

Enhance appearance, durability, and functionality with professional finishing.

  • • Anodizing, painting, electroplating
  • • Laser engraving, silkscreen
  • • Mirror polish, knurling, WTP

Featured Products

Explore our range of precision-manufactured components and assemblies built for performance and reliability.

CNC Metal Part

CNC Machined Metal Part

Precision aluminum housing with anodized finish, used in industrial sensors and control units.

Material: 6061-T6 Aluminum

Tolerance: ±0.01mm

Finish: Hard Anodize Black

ABS-Like 3D Printed Part

ABS-Like 3D Printed Enclosure

Functional prototype with high impact resistance and smooth surface for consumer electronics.

Technology: MJF (Multi Jet Fusion)

Material: PA12 (ABS-Like)

Layer: 80μm

PMMA-Like Transparent Part

PMMA-Like Transparent Component

Optically clear part ideal for lenses, light guides, and display covers.

Technology: SLA

Material: Transparent Resin (PMMA-Like)

Finish: Polished & Coated

Die Cast Aluminum Housing

Die Cast Aluminum Housing

Durable enclosure for outdoor electronics with heat dissipation and EMI shielding.

Material: ADC12 Aluminum Alloy

Process: High-Pressure Die Casting

Post: Powder Coating & Silk Screen

Smart Suitcase Assembly

Smart Suitcase Assembly

Full turnkey assembly including injection molded parts, electronics, and smart lock integration.

Materials: PC+ABS, TPU, Metal

Processes: IM, Stamping, Assembly

Finishes: Glossy, Textured, Anodized

Stainless Steel Bracket

Stainless Steel Sheet Metal Bracket

Laser-cut and formed bracket for medical equipment with passivated finish.

Material: 304 Stainless Steel

Thickness: 2.0mm

Post: Passivation & Laser Marking

Vacuum Cast Prototype

Vacuum Cast Urethane Part

High-fidelity prototype with rubber-like properties for ergonomic testing.

Material: Shore A 70 Urethane

Color: Custom Pantone Match

Quantity: 1–50 units

Nylon-Like Gear

Nylon-Like Functional Gear

Wear-resistant gear for mechanical assemblies, produced via SLS 3D printing.

Material: PA12 (Nylon-Like)

Technology: Selective Laser Sintering

Application: Robotics, Automation

Why Choose Us?

  • End-to-End Solutions

    From design support to final assembly, we manage your entire production lifecycle.

  • Fast Turnaround

    Rapid prototyping in as little as 3 days and production scaling within weeks.

  • Quality Assurance

    In-process inspections, final QA reports, and material certifications provided.

  • Cost-Effective

    Optimized tooling, material usage, and logistics to reduce your total cost.

Manufacturing Process

Frequently Asked Questions

What materials can you work with?

We support a wide range of metals (aluminum, steel, brass, zinc) and engineering plastics (ABS, PC, PEEK, PA, PMMA, TPU). Custom materials are also available upon request.

What is your typical lead time?

Prototypes: 3–7 days. Production orders: 10–25 days depending on complexity and volume. Rush services are available.

Do you offer design for manufacturing (DFM) support?

Yes, our engineering team provides free DFM feedback to optimize your design for cost, quality, and manufacturability.

Can you handle assembly and packaging?

Yes, we offer full turnkey assembly, testing, labeling, and custom packaging solutions.

What file formats do you accept?

We accept STEP, IGES, STL, SLDPRT, DWG, DXF, and PDF files. 3D models are preferred for accurate quoting.

Get in Touch

Ready to start your project? Contact us today for a fast, no-obligation quote.

Phone: +86 17750593239

Email: info@joinsun-tech.com

Address: 8 Floor, No.35 Houxiang West Road, Haicang District, Xiamen, 361028, China

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