Home | Binzhou Zhengdao Machinery Manufacturing Co. Ltd

Precision Forming for Complex Casting Designs

Custom-engineered salt cores for complex aluminum piston structures, delivering accurate internal cavities and dependable casting performance.

EXPLORE CUSTOM CORES
Engineered for Complex Internal Cooling Passages

High-purity salt cores designed for aluminum piston casting, enabling precise and reliable internal cooling-channel formation.

EXPLORE SALT CORES
Built for High-Load Piston Performance

Precision-engineered inserts that strengthen the top ring groove and improve piston durability in high-temperature engines.

EXPLORE RING CARRIERS

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312

Company Employees

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0

Production Workshop

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4

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Export Destinations

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2

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Patented Achievements

About Us

Salt Core Technology & Precision Casting

Binzhou Zhengdao Machinery Manufacturing Co., Ltd. is a national high-tech manufacturing enterprise engaged in the R&D, tooling, and precision casting of molds, soluble ceramic salt cores, impellers, ductile iron pistons, and stainless steel nozzle rings.

Equipped with advanced automated casting lines, vacuum fixture fabrication, and CMM spectral analysis testing centers, we deliver mission-critical components that meet stringent global automotive and power equipment standards.

The company's main business

Advanced salt core technology

Salt Core Advantages

Precision for Complex Internal Cavities

Water-soluble salt cores enable complex internal cavities and offer greater freedom in passage design, helping reduce the need for mechanical core removal around delicate cast structures.

Complex Cavity Formation

Water-Soluble Core Removal

Flexible Component Design

Salt Core Applications

Engineered for Internal Cooling Passages

From aluminum piston cooling galleries to other complex casting cavities, salt cores help form internal structures that are difficult to reach through conventional machining.

Piston Cooling Galleries

Complex Internal Passages

Special-Shaped Casting Cavities

Customized Solutions

Custom Salt Cores from Your Design

Based on your component drawings, cavity geometry and casting requirements, BZD supports salt core design and tooling development, with a focus on dimensional needs and manufacturing feasibility.

Drawing & Requirement Review

Custom Tooling Development

Casting Process Support

BZD Industry Expertise

Advancing Salt Core Innovation

BZD brings together salt core R&D, tooling development and precision manufacturing. Inspection capabilities and casting experience support customers from technical development through production coordination.

Integrated R&D & Tooling

Precision Manufacturing

Inspection & Technical Support

Showing Salt Core Advantages

BZD News

BZD project was evaluated as the key project of Binzhou City.
2022/09/12
In March 2020, the project of "annual output of 10 million variable section turbocharger nozzle Ring" was awarded as a key project in Binzhou in 2020.

Contact Us

Get in touch with our engineering and export team for custom casting quotes, mold

tooling, or technical documentation.

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Direct Phone & WhatsApp

+86 17705433548

Foreign business : Manager Dong

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Official Inquiry Email

Yuanyuan.dong@sdbzd.com

Foreign business

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Manufacturing Base

558 Bohai 30th Road, Economic Development Zone, Binzhou, Shandong, P.R.China

City / Region / Country