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About Us

Ningbo Jinhong Mold Co., Ltd. is a leading manufacturer of technically advanced products. Our state-of-the-art, vertically integrated, and highly efficient manufacturing facility is located in Ningbo,Zhejiang,China. Our manufacturing facility of over 20000 square meter and our investment in up to date technology in both casting and CNC machines, we strive to continue to be on top of the field of mold suppliers.
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about-company
20+
Company Formation
100+
Number of employees
20,000
Factory area
10+
Advanced fully computer-controlled
Rotomolding equipment

Rotational Molding Process Service

Rotational molding process, also known as rotational molding or rotary molding, is a specialized technique used for molding hollow thermoplastic products.

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For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.

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One-stop customization service

We are committed to providing customers with the most convenient, efficient and highest quality one-stop service. 

CNC Machined Tooling 01
CNC Machined Tooling 02
CNC Machined Tooling 03
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CNC Machined Tooling

1. Design: Prepare the mold design drawings and confirm the design with the client.
2. Machining: Debug according to the drawings and machine the modules with a CNC machine tool.
3. Assembly: Assemble the machined modules and confirm the assembly with the client.
4. Sampling: After inspecting the completion of assembly, produce samples.
5. QC: The QC will measure whether the dimensions of the samples are qualified according to the drawing parts and send the samples to the client.
Cast Aluminum Tooling 01
Cast Aluminum Tooling 02
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Cast Aluminum Tooling

1. Design: Prepare the mold design drawings and confirm the design with the client.
2. Machining: According to the drawings, use a CNC machine tool to machine the casting model.
3. Casting: After inspecting the model, carry out precision sand casting.
4. Assembly: After the casting is completed, assemble the mold base.
5. Sampling: After inspecting the completion of the assembly, produce samples.
6. QC: The QC will measure whether the dimensions of the samples are qualified according to the drawing specifications and send the samples to the client.
Sheet Metal tooling 01
Sheet Metal tooling 02
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Sheet Metal tooling

The sheet metal process for rotational molding molds mainly includes design, cutting, forming, welding, and surface treatment.
1. Design: First, design the mold according to the product drawings and make a layout.
2. Forming: Then, cut the sheet metal materials and shape them through processes such as bending, rolling, and stamping.
3. Assembly: Next, weld and assemble them into the mold shell.
4. Processing: After that, conduct surface treatments such as polishing and coating.
5. QC: Finally, inspect the dimensions and strength, and carry out installation and debugging.

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