About Yongzhu Casting

Supporting Drawing-Based Aluminum Die Casting Projects Since 2004

Yongzhu Casting supports OEM buyers with custom aluminum parts manufactured from drawings. From project review and tooling to die casting, CNC machining, finishing and inspection, each manufacturing plan is evaluated according to the part geometry, alloy, volume and quality requirements.

 Zhejiang Yongzhu Casting Technology Co., Ltd. formerly known as Hangzhou Higer Metal Products Co., Ltd.

Built for Drawing-Based OEM Production

Founded by Lai Haijiang in 2004, Yongzhu Casting was built around custom manufacturing rather than standard stock parts. Over the years, the company has developed its tooling, casting, machining and inspection capabilities to support both new projects and repeat production.

Since 2004

Custom Manufacturing Experience

160T–2000T

Die Casting Machine Range

ISO 9001 & IATF 16949

Quality Management Systems

Drawing-Based OEM

Made to Customer Requirements

Meet Our Founder

Lai Haijiang founded Yongzhu Casting with a focus on practical manufacturing support for custom metal parts. 

The company continues to follow the same principle today: understand the drawing, confirm a workable production route and maintain responsibility through manufacturing and inspection.

From Drawing Review to Repeat Production

Every project is reviewed individually. Material, geometry, expected volume, critical dimensions, appearance requirements and quality documents are considered before the tooling and manufacturing plan is confirmed.

Drawing and Requirement Review

We review 2D and 3D drawings, drawing revisions, alloy requirements, expected volume, critical features, surface requirements and requested inspection documents.

Casting and Secondary Operations

Die casting machines from 160T to 2000T support a wide range of custom components. CNC machining is available for bores, bearing seats, threaded holes, sealing faces, mating surfaces and other critical features.

Tooling and T1 Sample Approval

After the manufacturing route is agreed, dedicated tooling can be designed and trialed. T1 samples and required corrections are reviewed before production approval.

Inspection and Repeat Production

Parts are inspected against the approved project requirements. Dimensional reports, CMM results and material certificates can be supplied as agreed, with tooling maintained for repeat orders.

Manufacturing Experience You Can See

Because our components are made to customer drawings, we do not maintain a catalog of standard stock parts. The examples below represent part types and production activities that can be shown without disclosing confidential customer drawings or project information.

Inside Our Factory

Real production facilities and inspection equipment support each stage of a custom project. Use the gallery below to show the actual work being carried out, rather than image file names.

QUALITY STANDARDS

Our quality system helps ensure consistent production, traceable batches and reliable delivery for OEM projects.

Based in China, Supporting OEM Buyers Worldwide

Since 2004, Yongzhu Casting has supported OEM customers with custom aluminum die casting parts, mold development, CNC machining and surface finishing.

Our factory is located in China, where we manage engineering review, mold coordination, casting production, machining and quality inspection for overseas projects.

Whether you are developing a new part or looking for a stable casting supplier, our team can review your drawings and help move the project forward.

Or email to yongzhucasting@gmail.com

World Map Yongzhu Place

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