What Hlh Prototypes does

HLH Prototypes Co Ltd is a China-based rapid prototyping and low-volume manufacturing services provider founded in 2002 and headquartered in Shenzhen, with a production factory in Dongguan and a European sales office in Leeds, UK. The company operates across CNC machining, multiple additive manufacturing modalities (SLA, SLS, FDM, DMLS, Projet MJP), rapid injection molding, vacuum casting, die casting, sheet metal fabrication, carbon fiber composites, and aluminum forging, supporting tolerances from ±0.05 mm down to ±0.001 mm. Production quantities scale from a minimum order of one prototype up to 100,000 parts in plastics, metals, and composites, allowing customers to use a single supplier from concept validation through low-volume production.

The customer base comprises 3,000+ companies across 50 countries, spanning industrial design consultancies, consumer electronics (Whirlpool, Oculus), robotics and automation (Universal Robots, Emerson, Honeywell), aerospace and UAV (Smartflyer), medical devices (ISO 13485 qualified), and automotive (IATF 16949 qualified) verticals. The company holds five ISO/IEC certifications (ISO 9001:2015, ISO 14001, IATF 16949, ISO 27001, ISO 13485) that qualify it for regulated supply chains.

HLH generates revenue through project-based, quote-priced contracts acquired via direct sales (website contact, email at [email protected], phone) rather than platform subscriptions or recurring fees. Go-to-market is sales-led with content marketing support (website, LinkedIn, Facebook, case studies, blog, downloadable resources) targeting product designers and engineers globally. Pricing is not publicly disclosed and is determined per project through free project reviews; the company does not operate a self-service e-commerce channel. No external funding rounds, institutional investors, or M&A activity are disclosed in the source material, and the company appears to be privately held and founder/owner-operated.

Name

Hlh Prototypes

Legal name

HLH Prototypes Co Ltd

Website

https://hlhprototypes.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

Rapid Prototyping and Low-Volume Custom Manufacturing Services

NAICS

Industrial Design Services (54142)

SIC

Sheet Metal Work (3444)

akta.pro primary industry

Engineering Prototype Builds (Form/Fit/Function) (IMAAAFAB)

akta.pro secondary industries

Prototype Program Management & Low-Volume Pilot Runs (Bridge to Production) (IMAAAFAO), Design-for-Additive (DfAM) & Prototype Optimization (IMAAAFAC)

Keywords

• Rapid prototyping services
• CNC machining services
• 3D printing manufacturing
• Injection molding tooling
• Low-volume production parts

Headquarters

HQ city

Shenzhen

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Prototype Manufacturing Services: One-time project-based manufacturing services for prototypes ranging from single units to small production runs. Services include CNC machining, 3D printing, injection molding, vacuum casting, and other rapid manufacturing processes.
2. Low-Volume Production Manufacturing: Production manufacturing for quantities ranging from hundreds to 100,000 parts in plastic, metal, and composites. Includes rapid tooling, export tooling, and die casting services.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

HLH Prototypes provides custom rapid prototyping and low-volume manufacturing services, producing physical parts and assemblies for product designers and engineering firms worldwide. The company offers CNC machining, multiple 3D printing processes (SLA, SLS, FDM, DMLS, MJP), rapid injection molding, vacuum casting, die casting, sheet metal, carbon fiber, and aluminum forging, with order quantities ranging from a single prototype up to 100,000 production parts in plastic, metal, and composite materials.

Product overview

HLH Prototypes is a rapid prototype manufacturing company offering a comprehensive suite of manufacturing services from prototype to production. The core offerings include CNC Machining Services and 3D Printing Prototyping (encompassing SLA, SLS, FDM, DMLS, and Projet MJP sub-technologies), which serve as the primary prototyping methods. These are complemented by Rapid Injection Moulding for production-quality plastic parts, Vacuum Casting (Urethane Casting) for low-volume runs, and Carbon Fiber Prototyping and Sheet Metal Prototyping for specialized materials. For higher-volume production, the company provides Die Casting and Export Tooling services. Aluminum Forging is also offered for high-strength metal components. The company serves diverse industries including Aerospace & UAV, Automotive, Communications, Consumer Products, Industrial, Medical, Robotics & Automation, and Rapid Product Development, with minimum order quantities starting at 1 for prototypes up to 100,000 parts for production.

Differentiator

Problem solved

Functional benefit

Brands

• HLH Proto: Related website/domain for HLH Prototypes services

Products and services

• CNC Machining Services Precision CNC machining services for rapid prototyping and low-volume production of plastic and metal parts, supporting tolerances from ±0.05 mm to ±0.002 mm. Targets product designers, engineers, and OEMs needing machined prototypes and small-batch production parts.
• 3D Printing Prototyping
• Rapid Injection Moulding
• Vacuum Casting (Urethane Casting)
• Carbon Fiber Prototyping
• Sheet Metal Prototyping
• Die Casting
• Aluminum Forging
• Export Tooling

Named customers10 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Universal RobotscoreStrategic or Co-development PartnerUniversal Robots is a leading collaborative robot (cobot) manufacturer. HLH works with Universal Robots providing precision machined parts and rapid manufacturing services for the robotics industry, supporting the development of robotic automation solutions.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Protolabs: Global digital manufacturer offering CNC machining, 3D printing (SLA/SLS/DMLS/MJF), and injection molding for prototyping through low-volume production. Direct competitor to HLH across nearly every service line, though with a software-led, self-serve quoting model and Western production footprint.
• Xometry: AI-enabled marketplace connecting buyers to CNC, 3D printing, sheet metal, and injection molding suppliers globally. Competes with HLH for prototype and low-volume production orders via instant online quoting and a distributed supplier network.
• Fictiv: Software-driven custom parts manufacturer offering CNC, 3D printing, injection molding, and sheet metal fabrication. Directly comparable to HLH's prototype-to-low-volume production model, with a strong enterprise and hardware-startup customer base.
• Hubs (formerly 3D Hubs): Global manufacturing platform providing CNC, 3D printing, injection molding, and sheet metal services with instant online quoting. Overlaps directly with HLH's prototype and low-volume production offerings, particularly for SMB and mid-market customers.
• Stratasys Direct Manufacturing: Service bureau arm of Stratasys offering SLA, SLS, FDM, DMLS, and PolyJet prototyping alongside CNC and injection molding. Competes with HLH on 3D printing prototypes and has deeper ties to OEM 3D printer technology.
• Star Rapid: China-based rapid prototyping and low-volume manufacturing services company offering CNC, 3D printing, injection molding, vacuum casting, and sheet metal. Closest head-to-head competitor to HLH in geography, service mix, and target customer (industrial designers and OEMs).
• RPM Industries (Rapid Prototyping & Manufacturing): US-based rapid prototyping services provider offering CNC machining, SLA/SLS 3D printing, and urethane casting for industrial designers and OEMs. Comparable to HLH in service mix and customer base, with a Western production footprint.

Regional players

• Shenzhen Kaier Wo Plastic Products Co. Shenzhen-based rapid prototype and injection molding manufacturer serving global customers with CNC, 3D printing, and silicone molding. Directly comparable to HLH in Shenzhen-based prototype services, often competing for the same Western OEM and startup buyers.

Broad incumbents

• Misumi (RapidDone / Velo3D services): Global industrial components and custom parts provider with growing rapid prototyping and machining capabilities via its meviy platform. Overlaps with HLH on custom machined and 3D-printed prototype parts for industrial buyers, though as part of a much broader catalog business.

Emerging players

• Plethora: US-based on-demand manufacturing platform focused on CNC machining and 3D printing for prototypes and low-volume production. Comparable to HLH in target market and services but differentiated by software-led quoting and US-based production capacity.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/HLH-Prototypes-1424269937809116
• LinkedInlinkedin.com/company/hong-lin-hui-technology-co-ltd
• Xx.com/hlhprototypes

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hlh Prototypes