3AMold.com | Precision Injection Molds & 2K/3K Mold Specialist

About SOMETOOL

Specialized in reliable and high-quality precision injection molds, die casting, and injection molding since 2014.

SOMETOOL HK INDUSTRIAL LIMITED is a leading manufacturer of precision injection molds, serving global clients in automotive, medical, electronics, smart home, and daily necessities industries. 70% of our molds are exported to customers in the USA, Germany, England, Finland, and Japan, while 30% are used in-house for injection molding.

With over 60 experienced engineers, technicians, and toolmakers, we are committed to customer satisfaction through our philosophy: "Make Simple, Create Efficiency."

10+

Years Export Experience

5000+

Molds Exported

100K

Daily Output (Pieces)

Our Mold Manufacturing Process

From design to sampling, we ensure precision, durability, and efficiency at every stage.

Mold Design

German consultant guidance, product design improvement, software simulation. Design based on samples, 2D/3D data.

Mold Machining

Export standard molds with lifespan up to 1,000,000 shots. Accuracy: ±0.01mm.

Mold Inspection

Electrode inspection, post-CNC, pre-assembly, and sample inspection for quality assurance.

Mold Assembly

10 technical staff with over 15 years of experience. Precision fitting for optimal balance.

Mold Sampling

In-house sampling using 50T to 530T injection machines. 160T 2K and 530T 3K injection available.

Injection Molding

Direct manufacturer with 14 sets of injection machines. All equipped with robots for automated mass production.

Our Products

High-precision molds and components for automotive, electronics, medical, and home appliances.

2K Injection Mold

Dual-color, high-gloss surface finish. Ideal for automotive and consumer electronics.

• Lifespan: 1M shots
• Accuracy: ±0.01mm
• Machine: 160T 2K

3K Injection Mold

Triple-material molding for complex parts. Used in medical and smart home devices.

• Lifespan: 800K+ shots
• Accuracy: ±0.01mm
• Machine: 530T 3K

Precision Mold Components

Core, cavity, sliders, lifters. CNC & EDM machined to tight tolerances.

• Material: P20, 718H, S136
• Hardness: HRC 38-42
• Surface: Mirror polish

Automotive Mold

Interior and exterior parts. IATF16949 compliant with full traceability.

• Material: ABS, PC, PP
• Cycle time: Optimized
• Standard: ISO & VDA

Electronics Mold

Housings, connectors, enclosures. EMI shielding and precision fit.

• Tolerance: ±0.02mm
• Surface: Texture or gloss
• Post-process: Plating

Medical Mold

FDA-compliant materials. Cleanroom assembly and packaging available.

• Material: Medical-grade PP
• Sterilization ready
• ISO 13485 compliant

Home Appliance Mold

Washing machine, fridge, microwave parts. High durability and heat resistance.

• Material: ABS, HIPS
• Flame retardant options
• UV resistant

Custom Mold Solutions

Tailored molds based on your 2D/3D data or physical samples.

• Fast prototyping
• DFM analysis
• Mold flow simulation

Our Capabilities

Mold Processing Equipment

CNC Center – High-speed precision machining
EDM Center – Electrode and cavity machining
Slow Wire Cutting – ±0.002mm accuracy
Surface & Cylindrical Grinding
Coordinate Measuring Machine (CMM)

Injection Molding Equipment

14 Sets of Injection Machines (50T–530T)
160T 2K Injection Machine
530T 3K Injection Machine
All Machines Equipped with Robots
Haitian & European Brand Machines

Quality Control

We adhere to international standards to ensure every mold and part meets the highest quality benchmarks.

Certifications

ISO 9001:2015 – Quality Management Systems
IATF 16949:2016 – Automotive Quality Standards

Post-Processing

• Spraying & Painting
• Electroplating (Chrome, Nickel)
• Silk Screen Printing
• Ultrasound Welding
• Laser Marking

Frequently Asked Questions

What is 2K/3K injection molding?

2K (two-component) and 3K (three-component) injection molding allows multiple materials or colors to be molded in a single cycle, creating complex, multi-material parts with excellent bonding.

What materials do you work with?

We process a wide range of engineering plastics including ABS, PC, PP, PA, POM, PMMA, and medical-grade resins. We also support flame-retardant, UV-resistant, and conductive materials.

What is your typical lead time?

Mold development typically takes 4–8 weeks depending on complexity. Sampling is done in-house, and mass production can begin immediately after approval.

Do you offer design support?

Yes. Our team provides DFM (Design for Manufacturing) analysis, mold flow simulation, and product design optimization to ensure manufacturability and cost-efficiency.

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Precision Injection Molds & 2K/3K Mold Specialist