Investment Casting Manufacturer in China Custom OEM Services
For over 20 years your Partner for Casting Technologies & Solutions, Delivered with Integrity and Unparalleled Service.
Full-service design, engineering and casting capabilities
Quality
- ISO 9001:2015 by TÜV Rheinland
- On-site advanced testing
- Radiography
- Dye Penetrant
- Visual
Value Added Services
- Machining
- Assembly
- Painting and Coating
- Pickle and Passivate
- Polishing
Our Customized Products

Sand Casting Parts

Forging Parts


About Company
Professional Casting Foundry
Tianhui Machine is an excellent production enterprise management with the ISO9001:2008 and TS16949 quality management system certification. Owning a full set of Silica Sol precision casting foundry and CNC Machining factory including more than 30 sets advanced CNC machining centers and production equipments, research and develop personnel with rich experience to complete any customized metal parts.
And integrate of casting, forging, stamping, die-casting, cold extrusion and other more than 100 cooperated factories production resource, can provide one-stop service from mapping, mold design and manufacturing including heat treatment, surface treatment, testing, packaging, shipment to our customers.
- Certified Company
15+
Years In Business
98%
Satisfaction
10k+
Projects Completed
180+
Trained Staff
Our Services
We Provide Metal Casting Services
Investment Casting
Investment/Lost Wax Casting for intricate components with excellent as-cast surface finish.
Sand Casting
Green Sand, Hard Sand (No Bake), and Shell Sand Castings readily produced in a variety of metals.
Die Casting
High-Pressure, Low-Pressure, Gravity Die Casting for high-volume, fast, uniform production of thin-walled products.

Casting Materials
TIANHUI Machine can produce precision investment castings in virtually any air-melting alloy. From simple cast steel components to highly complex aluminum castings, our foundry can meet your material needs.
Additional Services
We Also Offer
To complement our world-class investment casting capabilities, Nbcastings offers a range of value-added services to provide our customers with more complete, ready-to-use parts. These secondary operations will reduce the need for further processing, either at your facility or through other suppliers, thereby reducing the time, effort and hassle associated with your project. Our goal is to be a one-stop shop for truly finished investment casting parts.

Industries We Serve
TIANHUI Machine is the trusted casting supplier of businesses across a wide variety of industries. Our precise metal casting moulds and supply of high-quality materials mean we are the ideal partner for projects that require intricate products, engineered to tight tolerances.
Why Choose Us
Six Reasons For People Choosing Us
Quality Material
ISO Certified for ISO 9001,TS 16949 ensures quality systems are in place
Accredited
We work with many leading clients in many different countries.
Trained Workers
We have multiple factory staff with rich casting experience.
Extensive Experience
Nbcastings has expertise in casting and engineering metals.
Adding Value
Our knowledgeable, solution-oriented and innovative team adds value to projects.
Security of Supply
Reduce supply chain risks with customized solutions to meet customer needs.
Our Business Partners, And it Shows




Our Certificates




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Offices
Tianhui Machine
NBcastings
Our company has passed TS 16949 and ISO 9001 quality management certification and is a foundry supplier for many industrial companies such as Siemens and John Deere.
No 12 Hongxi industry zone, Fenghua, Ningbo, China
Phone: +86 17767317668
Email: info@cn-tianhui.com