
A DIRECT MANUFACTURING PARTNER
Your Manufacturing Partner in China
Outsourcing custom parts should not mean losing control over quality, communication, or
delivery expectations.
We work with your team to understand part geometry, material specifications, critical
dimensions, surface finish, and production requirements before manufacturing begins. We’ll
discuss what can be produced, what needs engineering review, and what information is
required to move forward.
Engineering-led review
We assess your drawings and identify manufacturing considerations.
Multiple processes
We help evaluate machining, molding, casting, fabrication, and additive manufacturing.
Direct factory communication
Discuss requirements with our team—not just a catalogue listing.
Prototype to production
Plan your next stage with process and quantity requirements in view.
Our Manufacturing Capabilities
We help you evaluate the appropriate process based on part geometry, materials, tolerances, quantities, and production economics.

CNC Machining
Precision metal and plastic components produced through CNC milling and turning, including suitable Swiss-Type CNC, 5-Axis, multi-axis, and mill-turn work.
Suitable for: Housings, brackets, shafts, fixtures, and precision components.

Injection Molding
Custom plastic components with tooling development and repeat-production requirements considered early.
Suitable for: Enclosures, covers, connectors, and housings.

Sheet Metal Fabrication
Custom sheet metal parts built around your material, thickness, geometry, and finish requirements.
Suitable for: Chassis, panels, brackets, and enclosures.

Vacuum Casting
Prototype and low-volume cast parts for design evaluation and selected material requirements.
Suitable for: Design validation, appearance models, and low-volume parts.

Die Casting
Custom die-cast components where geometry, alloy, tooling investment, and volume support the process.
Suitable for: Metal housings and repeat-production components.

Additive Manufacturing
Custom parts for rapid iterations, complex geometry, and selected prototype or end-use applications.
Suitable for: Design iterations and complex geometries.
QUALITY AND MANUFACTURING CONFIDENCE
Quality, Certifications, and Manufacturing Confidence
When you source parts internationally, you need more than a competitive quote. We want you
to understand the applicable quality requirements, inspection scope, and documentation
before the project proceeds.
Tell us which standards, inspection criteria, material records, or traceability requirements
apply to your project. We’ll review them against the agreed scope.

IATF 16949:2016

ISO 14001

ISO 27001

ISO 13485:2016

ISO 45001

ISO 9001:2015
CUSTOMER EXPERIENCE
What Our Customers Say
We value long-term manufacturing relationships built on clear requirements, practical communication, and agreed project expectations.
How We Move Your Project Forward
FROM DRAWING TO DELIVERY
Send Your Drawings
Upload CAD files and drawings with material, quantity, tolerance, and finish details where available.
We Review Requirements
We review the information and identify manufacturing questions or details needing clarification.
Discuss Process & Quote
We evaluate a suitable process and prepare a quote based on the available specifications.
Confirm Production Details
We align on drawings, materials, inspection criteria, delivery terms, and the agreed scope.
Manufacture & Deliver
We manufacture according to the approved requirements and agreed quality arrangements.
FROM DRAWING TO DELIVERY
Built for Engineering and Procurement Teams
We work with customers who need custom components and clear engineering specifications.

Aerospace
Custom components with defined material and inspection requirements.

Medical Devices
Projects with specific material, documentation, and quality-system requirements.

Robotics & Automation
Precision mounts, brackets, shafts, housings, and custom assemblies.

Semiconductor Equipment
Custom mechanical components for specialized equipment.

Automotive & EV
Custom metal and plastic parts for prototypes and production programs.
PROJECT QUESTIONS
Frequently Asked Questions
What files should I send for a manufacturing quote?
Send 3D CAD files and, where available, 2D drawings. Include material, critical tolerances, surface finish, quantity, and inspection requirements.
Can HLH Industry support prototypes and mass production?
We support projects from prototypes and low-volume runs to larger production quantities. The suitable process depends on design, material, volume, tooling, and quality requirements.
How do you help reduce the risks of manufacturing in China?
We start by reviewing specifications, clarifying requirements, and agreeing on the manufacturing and quality scope. Confirm acceptance criteria, documentation, and delivery terms before ordering.
Can you provide inspection reports and material documentation?
Specify the documentation you need in your RFQ. We will review it against the process and agreed scope and confirm what can be provided before order acceptance.
Do you hold certifications for regulated industries?
Tell us which standard or customer-specific requirement applies. We can discuss relevant current credentials and their scope.
Can you quote without CAD drawings?
We can discuss early-stage projects from available sketches or specifications, but a reliable quote usually requires sufficient geometry, material, tolerance, finish, and quantity information.
Do you sell standard catalogue products?
Our focus is custom manufacturing to customer drawings and specifications, not catalogue products. Send us your component design or defined engineering requirements.
LET’S REVIEW YOUR PROJECT
Have a Part to Manufacture?
Send us your drawings and requirements. Tell us what the part needs to do, your material and finish requirements, and the quantity you need. We’ll review the information and discuss the next steps.
2D drawings and 3D CAD files
Material, tolerances, and finish
Prototype quantity or production volume
Target delivery date and quality requirements

Send Your RFQ
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