Your Professional Two-Color Mold Supplier

 

Sanpin Mould is a tooling and injection molding company based in Shenzhen, China, founded in 2007. We provide end-to-end services from mold design and manufacturing to injection molding production. Our solutions support industries including automotive, medical, home appliances, electronics, and industrial components.


All-in-One Production
We handle mold design, tooling, and injection molding in-house, helping reduce delays and keep quality consistent.

 

Reliable Quality Control
We follow ISO 9001, ISO 13485, and IATF 16949 standards, with clear documentation and controlled processes.

 

Experience You Can Rely On
With nearly two decades in tooling and molding, we understand common production challenges and how to avoid them.

 

After-Sales Support
We provide ongoing technical support, mold maintenance, and quick response to ensure stable long-term production.

 

 
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Specification

 

Mould core

P20,NAK80,SKD11,S316,S50C,S45C,718H,718 or customers' appointed

Mould base

LKM, HASCO, DME or upon customer's requirement

Type of plastic mold

3-plate mold,2-plate mold

Mode Gate

Fan gate,Sub gate,Pin Point gate,Valve

Ejection system

Stripper plate,Lifter,Push Bar,Ejection Pin etc

Runner

Hot/cold type

Plastic material

HDPE, PP, nylon, PEEK, LDPE, ABS, styrene, acrylic, acetal, PE, PTFE, PEI, and PES

Mould life

300,000-1,000,000 shots

 

 
Advantages of Two-Color Mold
 
01/

Save costs
The two-color injection molding process can complete the color conversion in the same mold, avoiding the use of several different colors of injection molds, thereby reducing tool costs and footprint.

02/

Improve production efficiency
The two-color injection molding process uses special molds and injection machines, which can automate the complete injection cycle process, greatly improving production efficiency and saving human resources.

03/

Reduce pollution
The two-color injection molding process does not require the plastic sheet to be externally dyed or coated, so it can reduce the use of harmful chemicals, reduce the amount of pollution and waste emitted during the production process, and play a positive role in environmental protection.

04/

Improve product quality
The two-color injection molding process can make the product look more beautiful, the design is more flexible, and it is suitable for a variety of different product fields, so it is widely used.

 

Headlight Injection Molds

 

Applications of Two-Color Mold

Consumer goods
Such as electric razors, pen cases, glasses frames, mobile phone shell push buttons, bottle caps, etc.

 

Auto parts
Such as car lampshades, plastic steering wheels, audio sound buttons, handles, handles, etc.

 

Medical equipment
For example, thermometers and ear thermometers.

 

Electronic 3 c industry
Such as mobile phones, mp3, mp4, game consoles, headphones, etc.

 

Key Materials for Two-Color Molds
 

Aluminum (6061 or 7075)

Ideal for rapid prototyping and moderate-run injection molding due to excellent heat dissipation and ease of machining.

Steel (Pre-hardened or Stainless)

Preferred for high-volume production, offering superior durability, strength, and corrosion resistance.

Silicone Rubber

Best for casting resins or small, complex, flexible parts, offering high detail reproduction and easy release.

Polyurethane (Urethane) Resin

Used for rigid, durable molds in casting, often cast from a master model.

Melamine/Wood (DIY)

Used for large, flat, or simple DIY projects, such as specialized table casting.

Latex

A budget-friendly option for smaller, flexible casting projects.

 

Ordering Process

 

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How Can I Get the Quotation?

 

 

We will submit the quotation in 24 hours if getting detailed information during working days. In order to quote for you earlier, please provide us the following information together with your inquiry.
1. 3D Step of Files and 2D Drawings.
2. Material requirement.
3. Surface treatment.
4. Quantity (per order/per month/annual).
5. Any special demands or requirements, such as packing, labels, delivery, etc.

 

Packaging and Shipping

 

 

Packaging

Carton or wooden carton

Shipping

Shipping by sea, by air, by express are acceptable. According to your requirements.

 

Our Service
1

Pre-Sales

Providing clients with professional technical consultation, mold design, sample production, and quotation suggestions.

2

Sales

Tracking production progress throughout the mold manufacturing and injection molding process, strictly implementing quality control, and promptly communicating to resolve production issues.

3

After-Sales

Providing technical support, mold maintenance and optimization services, responding quickly to customer feedback, and ensuring customer satisfaction.

4

European Service Points

After-sales service points have been established in Europe, allowing customers to conveniently obtain support nearby.

 

Our Factory

 

Shenzhen Sanpin Mould Co., Ltd., established in 2007 and located in Bao'an District, Shenzhen, covers an area of ​​over 24,000 square meters and is a national high-tech enterprise. 

 

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Our Certificates

 

 

ISO 9001:2015,ISO 13485:2016,IATF 16949 

 

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FAQ

 

Q: What is your typical lead time for a two-shot mold?

A: Lead times range from 16-22 weeks depending on complexity:
Engineering & simulation: 3-4 weeks
Mold base & component machining: 8-10 weeks
Assembly & finishing: 3-4 weeks
Sampling & validation: 2-4 weeks

Q: Do you provide material selection assistance?

A: Absolutely. Our material engineers work with your team and resin suppliers to recommend optimal pairs for adhesion, function, color, and cost. We maintain a database of tested material combinations.

Q: How do you handle different shrinkage rates between materials?

A: Through sophisticated approaches:
Differential shrinkage compensation in mold design
Sequential cooling channel design
CAE simulation to predict and mitigate warpage
Adjustable core/cavity elements for fine-tuning

Q: What is the maximum mold size and tonnage you can accommodate?

A: We can build molds for presses up to 500 tons with maximum dimensions of 1000mm x 1000mm. For larger requirements, we partner with specialized facilities.

Q: What documentation do you provide with the mold?

A: Complete documentation package including:
3D CAD models and detailed drawings
Mold setup and maintenance manuals
Process parameter sheets for both materials
Sample parts and inspection reports
Material certifications and compatibility data

As one of the leading two-color mold manufacturers and suppliers in China, we're featured by quality products and good price. Welcome to buy customized two-color mold made in China here from our factory. If you have any enquiry about quotation, please feel free to email us.

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