CNC machining line at the Shiyan plant
Shiyan, Hubei, China · Since 2003

Cylinder heads and engine castings, machined to print.

Shiyan Fuyuan Auto Parts machines and casts aluminum and cast-iron engine components for commercial vehicles. IATF 16949 certified, with a track record supplying the U.S. market.

Name update: formerly Hubei Shiyan Pingshun Industry & Trade Co., Ltd. Same team, plants and quality system.

IATF 16949Automotive quality system
178Employees, 40 technical staff
20+CNC machining centers
20+High-precision CNC lathes
500 tMonthly casting capacity
What we do

From molten aluminum to a leak-tested head

We cast, heat-treat, machine, assemble and test under one quality system, so complex engine parts arrive ready to install.

MACHINING

Precision CNC machining

Vertical and horizontal machining centers and CNC lathes for complex cast housings, heads and brackets.

CASTING

Aluminum casting

Low-pressure, tilt-gravity and high-pressure die casting, with in-house melting and T6 heat treatment.

CYLINDER HEADS

Cylinder head specialists

Machining, valve seat and guide installation, cup-plug pressing, washing and 100% leak testing.

METROLOGY

Inspection and testing

Height gauges, profilometer, electronic plug gauges and air-tightness test benches at the line.

MATERIALS LAB

Metallurgical lab

Spectrometer, metallographic microscope, tensile tester and hydrogen analyzer for every melt.

ENGINEERING

New part development

Process planning, fixture design and sampling from your drawings, with PPAP documentation on request.

Product portfolio

Parts in production

A selection of components we machine or cast today for Cummins- and Renault-series diesel engines, fuel systems and steering.

LE cylinder head

LE cylinder head

Cummins-series
LN cylinder head

LN cylinder head

Renault-series
Air compressor head

Air compressor head DE2-072

Cummins-series
Cast-iron cylinder head

Cast-iron cylinder head

Export · U.S. market
Flywheel housing

Engine flywheel housing

Cummins-series
Water pump volute

Water pump volute

Renault-series
Oil pump body

Oil pump body

Renault-series
13L water pump volute

13L water pump volute

Cummins-series
Hydraulic pump bracket

Hydraulic pump bracket

Cummins-series
Pump housing casting

WP14 pump housing

Aluminum casting
Common-rail pump body

Common-rail pump body

Aluminum casting
Steering housing

Steering housing

Aluminum casting
New program · 2026

Air-cooled motorcycle cylinder heads

Now in production. Thin, closely spaced cooling fins and complex internal passages, finished with precision machining and valve train installation.

Motorcycle cylinder head, rocker chamber side
Rocker chamber and valve guides
Machined sealing faces
Machined sealing faces and threads
Intake port flange
Intake port flange
Sealing face millingPort machiningThread tappingValve seat & guide installationWashing & inspection
Quality system

Every head is leak-tested before it ships

Each operation is verified before a part moves on. Only conforming parts reach the next step.

IATF 16949:2016

Certified automotive quality management system covering incoming material, process control, inspection and shipping. Certificate available on request.

Cylinder head process flow

  1. Milling & drilling
  2. Reaming
  3. Tapping
  4. Marking
  5. Deburring & chamfering
  6. Cup plug pressing
  7. Washing
  8. Leak testing (100%)
  9. Final inspection
  10. Warehouse & packing
Height gauge
Height gauge
Metallographic microscope
Metallographic microscope
Tensile testing machine
Tensile testing machine
Spectrometer
Spectrometer
Our facilities

Three plants, one quality system

CNC lathes at headquarters
ZHANGWAN · SHIYAN, HUBEI

Headquarters & machining

CNC machining, assembly and testing of cylinder heads, housings and brackets.

Floor area
8,000+ m²
Focus
Heads, housings
Vertical machining centers
BAILANG · SHIYAN, HUBEI

Bailang branch

Finish machining of transmission gear blanks for heavy-truck programs.

Focus
Gear blanks
Wulong casting plant
WULONG · CHONGQING

Aluminum casting plant

Low-pressure, gravity and die casting with T6 heat treatment and pump-body machining.

Site
~30,000 m²
Capacity
500 t / month
Cast-iron cylinder head for the U.S. market
Export track record

Supplying the U.S. market for over a decade

We machine cast-iron cylinder heads for a U.S. commercial-vehicle customer. Our production has been audited on site by the customer's team with very positive results.

  • Experienced with export packaging, documentation and U.S. quality expectations
  • Customer audits and plant visits welcome at any time
  • Ready to quote and sample additional part numbers from your drawings
Dongfeng Motor Pump Co.Cylinder heads, pumps, flywheel housings
Hubei Junting Auto PartsAluminum pipe assemblies
Hubei Daqi HydraulicFinish-machined gear blanks
ASIMCO Tianwei Fuel InjectionCommon-rail and pump bodies
Chengdu Weite EFIPump housings
Chongqing Rato GroupAluminum castings
Contact

Send us a drawing. We reply within one business day.

Share your part drawings, annual volume and target timing, and our engineering team will review manufacturability and return a quotation.

Company
Shiyan Fuyuan Auto Parts Co., Ltd.
十堰富元汽车零部件有限公司
Address
No. 14 Jingtan Road, Hongwei Town, Shiyan, Hubei, China
Contact
[Name, title]
Email
[sales@company.com]
Phone
[+86 phone / WeChat]