Full-Chain Mold and Molding Solutions

From product concept to volume production, Sanpin provides integrated services spanning mold design, precision mold manufacturing, and injection molding — all managed under one roof. With 24,000 m² of production capacity, 200+ sets of imported CNC and EDM equipment, and a dedicated engineering team, we eliminate the coordination gaps that occur when working with multiple suppliers. Whether your project requires single-color molding, 2K/3K multi-shot molding, insert molding, or overmolding, Sanpin delivers from prototype to mass production within a single qualitycontrolled workflow.

MOLD MAKING SERVICES

Mold Making Services

Precision injection molds engineered for complex automotive, medical, and consumer applications. Our facility is equipped with imported CNC machining centers and EDM systems, capable of producing molds up to 2,500 mm in length and 25 tons in weight.

INJECTION MOLDING SERVICES

Injection Molding Services

From single-shot molding to insert molding and overmolding, we deliver consistent, high-quality plastic parts under ISO 9001 and IATF 16949 certified quality systems — from pilot runs to full-scale production.

2K/3K MULTI-COLOR MOLDING

CNC Machining Services

Our specialty. Using advanced multi-shot injection technology, we produce two-color and three-color molded components in a single cycle — ideal for automotive lighting, interior trim, and functional multi-material assemblies.

How We Work With You

Why Global Manufacturers Choose Sanpin?

  • 18 Years of Precision Mold Expertise Since 2007
  • 24,000 m² Integrated Production Facility
  • ISO 9001 / IATF 16949 / ISO 13485 Certified
  • Mold and Molding Solutions Exported Worldwide

Headquartered in Bao'an District, Shenzhen, Sanpin Mould has grown over 18 years into a trusted manufacturing partner for clients across Europe,North America, Asia, and beyond. With a 24,000 m² facility and a team of 280+ professionals, we deliver fully integrated services — from mold design and precision tooling to 2K/3K multi-color injection molding, insert molding, and overmolding. Our products serve the automotive, medical, home appliance, and electronics industries worldwide.

Our Global Network Of Partners

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"We have been working with Sanpin for over 8 years, and they have consistently delivered high-quality molds and professional injection molding services as well as the most competitive prices. Their team is always responsive, reliable, and easy to work with."
"When we first requested CNC machining, we tried to contact Sanpin. They responded within hours with prices, delivery times and suggestions for our requirements. I am very satisfied with their professional service."
"Sanpin is our the most satisfactory die supplier. They are high efficiency and high quality control. Since 2016, we have cooperated with them, and they have provided us with professional product suggestions."
Tesla
Aptiv
Johnson Controls
Stanley
Porsche
Safran
Honeywell
Magna
Intermas
Summit Medical Group
Become One of Them

What Sets Sanpin Apart ?

With 18 years of mold engineering experience and a fully integrated manufacturing workflow, Sanpin solves the challenges that procurement teams and product engineers face most often — fragmented supply chains, inconsistent quality, and unclear total costs.

+ 01. One Roof, One Team, One Timeline
Project Leads
Engineering Team with Completed Mold

! Customer's Dilemma

"When mold design, tooling, and injection molding are handled by separate vendors, miscommunication and finger-pointing are inevitable.At Sanpin, every stage — from DFM analysis through mold fabrication to volume production — is executed within our own 24,000 m² facility. A single project engineer coordinates your entire order, providing weekly progress updates and ensuring nothing falls through the cracks."
"Result: Faster turnaround, fewer coordination gaps, and a single point of accountability from first drawing to final shipment."
+ 02. Built-In Quality at Every Stage
DFM Meeting
Cross-Department Design Review Session

! Customer's Pain Point

"Defects like warping, sink marks, and dimensional drift often stem from disconnects between mold design and molding execution.Because Sanpin controls both, our mold engineers and molding technicians collaborate from day one — optimizing gate placement,cooling channel layout, and process parameters together before steel is cut. Every production run is monitored through our ISO 9001 and IATF 16949 certified quality systems."
"Result: Higher first-shot success rates, lower scrap, and parts that meet spec consistently from the first batch to the last."
+ 03. Total Cost Transparency from Day One
The sales team in quoting
Engineering and Sales Support Team

! Challenges You May Face

"Choosing the cheapest mold quote often leads to costly surprises — poor cycle efficiency, high reject rates, and rework expenses that exceed the initial savings. Sanpin provides integrated mold-plus-parts quotations so you see the full investment upfront. When it makes sense, we recommend tooling upgrades — such as improved cooling systems — that reduce cycle time and lower your per-part cost over the production lifetime."
"Result: No hidden costs, lower total cost of ownership, and better long-term value for your investment."
Manufacturing Process

How To Manufacture With Sanpin?

3D Design Upload
1. 3D Design Upload

Submit 3D CAD models and discuss technical specifications with engineering teams.

DFM Analysis & Quotation
2. DFM Analysis & Quotation

Conduct Design for Manufacturability (DFM) verification and provide cost estimation

Component Making Process
3. Component Making Process

Execute advanced manufacturing methods including CNC precision machining, injection molding, 3d printing, etc.

Quality Inspection & Delivery
4. Quality Inspection & Delivery

Implement dimensional accuracy checks and arrange certified logistics for high-grade components.

Professional and Responsive

Send us your 2D drawings or 3D CAD files by email, and our project engineers will review your requirements and respond with a detailed quotation within 24 hours. Every quote includes material recommendations, mold design considerations, and a clear production timeline.

Get Your Free Quote

Project Highlights

Sanpin has delivered precision molds and injection molded components for clients across the automotive, medical, home appliance, and electronics industries worldwide. Each project reflects our commitment to engineering accuracy and production reliability.

More Parts Manufacturing Cases →
Automotive

High-Precision Automotive LED Lighting Mold

Sanpin engineered and manufactured a precision injection mold for an automotive LED lamp housing, meeting strict optical clarity and dimensional requirements. The project involved complex cavity geometry, advanced cooling channel design, and multi-stage mold flow optimization to achieve consistent wall thickness and surface finish across production runs.

LED Lamp Case

Materials We Work With

Sanpin's engineering team has extensive experience processing a wide range of thermoplastic resins for injection molding applications.Commonly used materials include ABS, PC, PA66 (Nylon), POM, PP, PE, PMMA, PBT, and high-performance polymers such as PPS,PEEK, and LCP. For mold manufacturing, we use quality tool steels selected based on production volume, part complexity, and surface finish requirements.

Materials