Your Professional Three-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.
Specification
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Plastic Materials: |
PS, ABS, PP, PVC, PMMA, PBT, PC, POM, PA66, PA6, PBT+GF, PC/ABS, PEEK, HDPE, TPU, PET, PPO,...etc. |
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Other materials: |
Rubber, Slilconce rubber, LSR,Aluminum, Zinc,Copper...Metal...etc. |
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Size: |
According to your 2D, 3D Drawing |
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Mould Base: |
Hasco Standard, European Standard, World Standard |
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Mould Base Material: |
LKM, FUTA, HASCO, DME,...etc. Or as per Customer's Requirment. |
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Surface Finish: |
Texture(MT standard), High gloss polishing |
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Cavity/Core Steel: |
P20, 2311, H13, 2344, Starvax 420, 236, AdC3, S136, 2312, 2379, 2316, 2083, Nak80, 2767 ...etc. |
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Mould Life: |
5,000 to 1,000,000 Shots. (According to your working environment.) |
Advantages of Three-Color Mold
Unmatched Gating Flexibility
The most significant advantage is the ability to locate a gate almost anywhere on the part's surface. This is impossible with a standard two-color mold, which is limited to edge gating. Central pin-point gating is crucial for round or symmetrical parts, ensuring the plastic fills the cavity evenly from the center outwards.
Efficient Multi-Cavity Molds
A three-color design is highly effective for high-volume production. A single sprue can feed a balanced runner system on the floating color, which then delivers material to numerous cavities simultaneously. This allows for the efficient molding of many small parts in a single cycle.
Automated Runner Separation
Because the runner system is on a separate color, it is ejected independently from the finished parts. This eliminates the manual labor required to trim the runner from each part. For high-volume production, this automation significantly reduces cycle time and operational costs.
A Cost-Effective Alternative to Hot Runners
Hot runner systems also allow for flexible gating and eliminate runner waste, but they are extremely expensive, complex, and require specialized maintenance. A three-color mold achieves similar gating flexibility through a purely mechanical—and often more affordable—system, making it an excellent intermediate solution.
Automotive: Multi-color dashboard components
Consumer Electronics: Soft-touch buttons with clear displays
Medical Devices: Ergonomic handles with grip zones
Sporting Goods: Multi-density equipment parts

Precautions for Using Three-Color Molds
Overfill and Press
Slightly overfill each cavity with chocolate, then place the silicone insert and top mold, pressing firmly until the chocolate rises evenly to the edges.
01
Prevent Air Bubbles
Tap the mold gently on the counter to release trapped air, ensuring a smooth finish.
02
Refrigeration Time
Only refrigerate for 10-15 minutes. Do not freeze, as this causes condensation and cracking.
03
Cleanliness
Ensure the molds are perfectly dry and clean, as water can spoil the chocolate.
04
Removing Excess
Wipe away overflow immediately with a bench scraper or spatula for clean edges.
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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
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Packaging |
Carton or wooden carton |
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Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Service
Pre-Sales
Providing clients with professional technical consultation, mold design, sample production, and quotation suggestions.
Sales
Tracking production progress throughout the mold manufacturing and injection molding process, strictly implementing quality control, and promptly communicating to resolve production issues.
After-Sales
Providing technical support, mold maintenance and optimization services, responding quickly to customer feedback, and ensuring customer satisfaction.
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.

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



As one of the leading three-color mold manufacturers and suppliers in China, we're featured by quality products and good price. Welcome to buy customized three-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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