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Casting Capabilities

Four Precision Casting Processes for Every Application

Choose the right process by tolerance, surface finish and batch size. Each process page targets a unique set of long-tail keywords to capture Google and generative-engine traffic.

Highest Precision

Silica Sol Investment Casting

Tolerance CT5-CA6
Roughness RA6.3
Weight 0.01~30 kg
Materials Carbon / Alloy / Stainless Steel, Ductile Iron

Best for turbine blades, valve bodies, marine hardware and medical/aerospace precision parts.

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Best Cost Efficiency

Water Glass Investment Casting

Tolerance CT7-CT9
Roughness RA12.5
Weight 0.5~200 kg
Materials Carbon / Alloy Steel, Gray / Ductile Iron

Short shell-making cycles and lower unit cost for construction, agricultural and general machinery parts.

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No Core Needed

Lost Foam Casting

Tolerance CT7-CT9
Roughness RA12.5
Weight 0.2~200 kg
Materials Gray iron, Ductile Iron, Alloy Steel

STMMA copolymer resin patterns for complex, near-net-shape castings with better dimensional accuracy.

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High Volume

Quick-dry Line

Tolerance CT7-CT8
Roughness RA12.5
Weight 0.2~50 kg
Materials Carbon / Alloy / Stainless Steel, Gray / Ductile Iron

Phenolic resin coated steel molds deliver consistent quality for medium-to-high volume runs.

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Featured Products

OEM Investment Casting Parts We Manufacture

A sample of our export portfolio. Each product page includes material grade, drawing format accepted, tolerance class and request-for-quote form.

Alloy Steel Silica Sol Investment Auto Casting

Alloy Steel Silica Sol Investment Auto Casting

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Alloy Steel Silica Sol Investment Casting Buffers

Alloy Steel Silica Sol Investment Casting Buffers

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Silica Sol Investment Casting Stainless Steel Mould

Silica Sol Investment Casting Stainless Steel Mould

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Stainless Steel Mold Silica Sol Investment Casting

Stainless Steel Mold Silica Sol Investment Casting

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Stainless Steel Silica Sol Investment Casting for Axle Sleeve

Stainless Steel Silica Sol Investment Casting for Axle Sleeve

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Ductile Iron Silica Sol Investment Casting for Car Brake

Ductile Iron Silica Sol Investment Casting for Car Brake

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Stainless Steel Silica Sol Investment Casting

Stainless Steel Silica Sol Investment Casting

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Carbon Steel Silica Sol Casting for Mechanical Connected Parts

Carbon Steel Silica Sol Casting for Mechanical Connected Parts

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About Us
About Us

Ningbo Zhiye Mechanical — A Huashen Group Foundry

Located in Xiachen Industrial Zone, Chunhu Town, Fenghua District, Ningbo City — a region known for precision castings in China. We have been a trusted supply base for automotive, agricultural and machinery OEMs worldwide.

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Employees

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Export Markets

  • Part of Ningbo Huashen Group (5 group companies)
  • In-house CAD / PRO-E / SolidWorks / AnyCasting simulation
  • CALYPSO & OBLF measurement & inspection
  • Patented designs and structure-transform solutions
Contact Our Engineering Team
Value-Added Services

Beyond Casting — Engineering Support to Cut Your Cost

We help buyers reduce weight, switch from weldments/stampings to castings, and pick the right alloy — all before the first sample is poured.

Material Choose

R&D-driven alloy selection balances performance, machinability and cost for your application.

Software Skills

CAD, PRO/E, SolidWorks, AnyCasting process simulation, CALYPSO & OBLF measurement software.

Weight Reduction

Design-for-casting reviews that cut material usage without sacrificing strength or function.

Actual Sample Survey

Send us a physical sample; we reverse-engineer the geometry and build production tooling.

Structure Transform

Convert stampings or weldments into single castings for longer life and lower assembly cost.

Patent & IP Support

Proprietary designs and patent assistance to protect your unique components in the supply chain.

Our Customers

Trusted by Global OEMs & Tier-1 Suppliers

Our castings are used in supply chains for automotive, construction and agricultural equipment brands worldwide.

General Motors
BMW
Honda
BYD
Chrysler
Caterpillar
Horizon
Paladin
GMS
Paragon
BYG
Blackwood Engineering
Quality Certified

Quality Certified for Automotive Supply

Our quality system is built around IATF 16949 and ISO 9001 requirements, with PPAP, FAI and full material traceability available on request.

IATF 16949
Automotive QMS
ISO 9001
Quality Management
FAQ

Frequently Asked Questions

What casting processes does Ningbo Zhiye offer? +
We provide silica sol investment casting, water glass investment casting, lost foam casting and shell mold casting.
What is the difference between silica sol and water glass investment casting? +
Silica sol casting has higher precision and better surface finish, higher cost; Water glass casting is more cost-effective for medium precision parts.
What is Ningbo Zhiye's annual production capacity? +
Annual output over 3000 tons, more than 900 employees.
Can you convert welded or stamped parts to castings? +
Yes, we can do structure transformation from stamping/weldment to casting and reduce total cost.
Which drawing formats do you accept? +
STEP, IGES, SolidWorks, PDF, DWG, DXF drawings are supported.
News & Insights

Casting Knowledge Hub

Regular technical articles keep the site fresh, target long-tail keywords and build topical authority for generative search.

What Is 42CrMo Alloy Steel Casting and How Does It Support Demanding Mechanical Components?Sep 20, 2026How Does Carbon Steel Silica Sol Investment Casting Improve C Gear Blank Performance?Aug 28, 2026How Does Paired Row Stem Improve Mechanical Performance and Reliability?Aug 13, 2026What Makes Double-ear Wedge-shaped Wire Clamp Body Reliable for Modern Wire Connection Systems?Aug 06, 2026What Makes Double-Ear Wedge-Shaped Wire Clamp Housing Reliable for Modern Cable Connections?Jul 30, 2026What Makes Carbon Steel Casting Large Nut the Right Choice for Heavy-Duty Applications?Jul 16, 2026

Ready to Start Your Project?

Tell us your material, annual volume, tolerance and target price. Our engineers reply with a process recommendation and tooling quote within 24 hours.

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