HengyiPrecision machin
Hotline+86 531 8899 1200
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Hengyi · Founded 2000

Tolerances you can repeat a thousand times

Hengyi machines precision components and builds automation equipment, with 5-axis milling, grinding and inspection under one roof for automotive, engineering and rail customers.

Get a QuoteProducts
  • Five-axis capability
  • Measured, not assumed
  • Prototype to volume
Hengyi Precision Machinery Co., Ltd.
320unitsMachines installed
Products

A product range built for real scenarios

Every item is validated in real use and can be adapted to your specification.

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Precision machined parts
Core

Precision machined parts

Aluminium, stainless and alloy steel components machined to drawing with full inspection records.

  • Stable supply
  • Technical support
  • Custom specs
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Automated assembly equipment
Turnkey

Automated assembly equipment

Custom stations for pressing, screwing and testing, delivered with cycle-time validation.

  • Stable supply
  • Technical support
  • Custom specs
Request Details
Hydraulic manifolds
Leak-free

Hydraulic manifolds

Cross-drilled blocks with pressure testing at 1.5 times working pressure before dispatch.

  • Stable supply
  • Technical support
  • Custom specs
Request Details
Gear and transmission parts
Ground

Gear and transmission parts

Hobbed and ground gears, shafts and housings held to AGMA quality class 8 and above.

  • Stable supply
  • Technical support
  • Custom specs
Request Details
Inspection fixtures
Metrology

Inspection fixtures

Designed and built fixturing that makes critical dimensions checkable on the line, not just in the lab.

  • Stable supply
  • Technical support
  • Custom specs
Request Details
Tooling and dies
Tool room

Tooling and dies

Stamping dies, jigs and moulds produced in-house, with try-out to first-off approval.

  • Stable supply
  • Technical support
  • Custom specs
Request Details
In Numbers

Track record, in numbers

Every figure comes from actual deliveries and client feedback.

0.005mm
Repeatable tolerance
Verified in production
320units
Machines installed
Milling, turning, grinding
1,150staff
Team size
Including 180 engineers
24hrs
Quote turnaround
For standard drawings
Why Choose Us

Turning expertise into measurable results

Every step from briefing to after-sales has a defined owner and standard.

Five-axis capability

Simultaneous five-axis milling with in-process probing keeps tight features on one setup.

Measured, not assumed

CMM and optical inspection record every critical dimension against the drawing before release.

Prototype to volume

The same fixturing and programme run from first article through to series production.

Build-to-print

We work from your drawings and standards, and flag anything unmakeable before cutting metal.

Our Work

Selected projects

A look at how we solved problems for clients like you.

Transmission housing programme

Transmission housing programme

Two machining cells delivered and ramped to 4,000 parts per month.

Scrap rate 0.4%

Excavation equipment components

Excavation equipment components

Heavy-duty pin and bushing machining with hardened surfaces.

Service life +35%

Mould tooling for consumer parts

Mould tooling for consumer parts

Cavity work with surface finish and dimensional reports for each tool.

Try-out passed first time

Rail component supply

Rail component supply

Safety-critical machined items with full traceability to heat number.

Passed 3 supplier audits

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How We Work

A clear path from brief to delivery

Each stage has a defined deliverable and a named contact.

01

Requirement review

Clarify the scenario, the metrics and the budget range

02

Proposal & quote

A tailored plan with itemised pricing

03

Delivery

Milestones agreed up front, progress shared as we go

04

After-sales follow-up

We track how it performs in use and keep improving it

Certifications

Qualifications that define what we can deliver

ISO 9001 / IATF 169492014
National High-Tech Enterprise2018
Provincial Technology Centre2017
Authorised supplier qualification2020

Trusted by leading companies

Precision Drive Systems
Apex Tooling Group
MetroRail Components
Northline Machinery
Vector Automation
IronBridge Industrial
Summit Bearings
Delta Motion Tech
News

Latest updates

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New five-axis cell commissioned282026.07

New five-axis cell commissioned

The cell adds capacity for complex prismatic parts with in-process probing.

2026-07-28
Metrology lab upgrades CMM302026.04

Metrology lab upgrades CMM

A larger measuring envelope brings 1.2 m parts back in-house instead of outsou…

2026-04-30
Apprentice programme takes 20 more012026.09

Apprentice programme takes 20 more

Twenty trainees join the tool room and machining teams for a two-year programm…

2026-09-01
FAQ

Things you may want to know

Still have questions? Contact us — we reply within one business hour.

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Which regions do you cover?

We serve clients nationwide and handle cross-region delivery. Tell us your location and requirements and we will assign the right team.

How do I get a quotation?

Send us your requirement, quantity and delivery expectation through the form or by phone. We issue a formal quotation within 1–2 business days.

Can you provide samples?

Yes. Depending on your requirement we can send samples or arrange a small trial run so you can validate performance in real use.

How is after-sales support handled?

A dedicated after-sales team provides support through the whole service period, with response times stated in the contract.

Can we work together long term?

Yes. We build long-term relationships, and most clients have worked with us for over three years. Annual agreements can fix price, capacity and quality terms.

Tolerances you can repeat a thousand times

Tell us what you need — we will route it to the right specialist within one business day.　+86 531 8899 1200

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