Create Perfect Prototypes with Trusted Manufacturing Experts

Leveraging advanced 3D Printing, CNC Machining, Injection Molding, and more. The easiest way to source high-quality custom parts. We ensure consistent quality for complex prototypes and end-use parts.

35+ surface finishes, 80+ metals & plastics

Instant quotes for 1-1,000 parts

Lead times from 1 business day

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Join thousands of companies using HLH:

merck
PHILLIPS
Audi
magna
whirlpool

Our Manufacturing Capabilities

We specialize in rapid prototypes and high-precision parts manufacturing with consistent quality. Our advanced capabilities support various materials and processes, delivering reliable solutions across all industries.

3D Printing

3D Printing

SLA, SLS, FDM, MJF, DMLS

Precision: ± 0.3 mm
Lead times: 2~3 business day

Using the latest industrial technologies, we can rapidly 3p print parts directly from your 3d file.

CNC Machining

CNC Machining

3, 4 & 5 Axis CNC Milling

Precision: ± 0.05 mm
Lead times: 4 business day

Ideal for complex designs with tight tolerances, from prototypes to mass production.

Sheet Metal Fabrication

Sheet Metal Fabrication

Bending and Press forming

Precision: ± 0.2 mm
Lead times: 2 business day

We provide high-precision sheet metal fabrication services for custom parts across various industries.

Rapid Injection Molding

Rapid Injection Molding

Injection Moulding and Rapid Prototyping

Precision: ± 0.3 mm
Lead times: 1~2 week

Fast, high-quality injection molding services for prototyping and production.

Vacuum Casting

Vacuum Casting

Precision: ± 0.3 mm
Lead times: 5 business day

Perfect for producing quality parts, without the cost or lead time required for production tooling.

Die Casting

Die Casting

Precision: ± 0.3 mm
Lead times: 10 business day

Great for manufacturing higher
volumes of metal parts in aluminium, zinc or magnesium.

Carbon Fiber Manufacturing

Carbon Fiber Manufacturing

Rapid Tooling & CNC Maching

Precision: ± 0.1 mm
Lead times: 1~2 week

High strength, lightweight, and corrosion-resistant, while also enhancing structural rigidity and durability.

3D Printing

3D Printing

SLA, SLS, FDM, MJF, DMLS

Precision: ± 0.3 mm
Lead times: 2~3 business day

Using the latest industrial technologies, we can rapidly 3p print parts directly from your 3d file.

CNC Machining

CNC Machining

3, 4 & 5 Axis CNC Milling

Precision: ± 0.05 mm
Lead times: 4 business day

Ideal for complex designs with tight tolerances, from prototypes to mass production.

Sheet Metal Fabrication

Sheet Metal Fabrication

Bending and Press forming

Precision: ± 0.2 mm
Lead times: 2 business day

We provide high-precision sheet metal fabrication services for custom parts across various industries.

Rapid Injection Molding

Rapid Injection Molding

Injection Moulding and Rapid Prototyping

Precision: ± 0.3 mm
Lead times: 1~2 week

Fast, high-quality injection molding services for prototyping and production.

Vacuum Casting

Vacuum Casting

Precision: ± 0.3 mm
Lead times: 5 business day

Perfect for producing quality parts, without the cost or lead time required for production tooling.

Die Casting

Die Casting

Precision: ± 0.3 mm
Lead times: 10 business day

Great for manufacturing higher
volumes of metal parts in aluminium, zinc or magnesium.

Carbon Fiber Manufacturing

Carbon Fiber Manufacturing

Rapid Tooling & CNC Maching

Precision: ± 0.1 mm
Lead times: 1~2 week

High strength, lightweight, and corrosion-resistant, while also enhancing structural rigidity and durability.