Custom Mold Making Services - from Prototype to Mass Production

RuiYi designs and manufactures custom injection molds, from cost-effective aluminum prototype tooling to high-strength tool steel production molds capable of producing 1,000,000+ parts. With tolerances as tight as ±0.02mm and lead times from 7 days for prototype molds, we support every stage from product validation to full-scale manufacturing. Serving clients across the USA, UK, and Europe.

On Demand Manufacturing

Rapid Tooling vs. Production Tooling

We specialize in delivering tailored tooling solutions that support every stage of product development and manufacturing. From prototype molds to high volume production tooling, our mold making services are designed to meet the unique requirements of each project. With extensive experience in custom mold making services, we help customers improve manufacturing efficiency, reduce production costs, and accelerate time to market.

Rapid tooling allows manufacturers to create prototype molds quickly and cost effectively for product testing, design validation, and market evaluation. As part of our injection mold making services, rapid tooling helps reduce development risks while supporting faster product launches.

Our production tooling solutions are designed for high volume manufacturing environments. Using durable mold materials and advanced manufacturing techniques, we create molds capable of producing consistent, high quality plastic components over extended production runs.

We provide specialized mold solutions for projects that require tight tolerances, complex geometries, and advanced engineering capabilities. Our precision mold making services support demanding applications where accuracy, reliability, and consistency are essential.

How We Work

Get Instant Quote

Upload your drawings to our quotation platform and our team will review your requirements and provide a quotation within 1 day.

Start Production

Once your order is confirmed, we begin production while carefully monitoring quality at every stage to ensure your parts meet specifications.

Receive Your Parts

Your order is delivered quickly and safely. Our team continues to provide support after delivery to ensure a smooth experience from start to finish.

Injection Mold Types We Manufacture

At RuiYi Industrial Manufacturer, we offer a wide range of injection mold solutions to support prototype development, production manufacturing, and specialized molding applications. Whether you require simple molds for low volume production or advanced tooling for complex components, our custom mold manufacturing capabilities provide reliable solutions tailored to your needs.

Single cavity molds produce one plastic component during each molding cycle. These molds are ideal for lower volume production, product validation, and applications where greater process control and flexibility are required.

Multi cavity molds produce multiple identical components during a single molding cycle. This approach improves production efficiency, increases output, and helps reduce the cost per part for larger manufacturing runs.

Stack molds use multiple parting surfaces within a single mold to increase production capacity without increasing machine size. This design helps manufacturers achieve higher output levels while maintaining product quality and consistency.

2K injection molds allow two different plastic materials to be molded into a single component. This process enables the production of parts with enhanced functionality, improved aesthetics, and integrated soft and rigid material combinations.

Mold Tooling Capabilities & Specifications

We design and manufacture high quality molds for projects ranging from prototype validation to high volume production. Our mold making services combine advanced engineering, premium materials, and strict quality control to ensure reliable mold performance, consistent part quality, and long service life. As an experienced injection mold manufacturer China customers trust, we provide solutions tailored to different production requirements and budgets.

	Purpose	Life Cycle	Tolerance	Material	Cost	Lead Time
Technology	Prototype Testing	3，000	± 0.02mm	Aluminum Alloy	$$	7-15 Day
Rapid tooling	Low-volume Production	30，000	± 0.02mm	Carbon Steel	$$	7-15 Day
Production tooling	Medium-volume Production	300，000	± 0.02mm	Hardened Tool Steel	$$$	30 Day
Production tooling	High-volume Production	Over 1，000，000	± 0.02mm	Harden Tool Steel (Surface)	$$$$	35 Day

Our Mold Making Process Step By Step

Mold production involves multiple engineering and manufacturing stages to ensure accuracy, durability, and long term performance. RuiYi Industrial Manufacturer follows a structured process that helps deliver reliable molds while maintaining strict quality standards throughout production.

Drawings Receiving

DFM Check

Materials Preparation

EDM Machining

Wirecut Machining

CNC Machining

Mold Fitting

Core Fitting

Mold Polishing

Mold Fabrication

Mold Trial

Customer Confirm

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What types of molds do you specialize in making?

We specialize in plastic injection molds, die-casting molds, blow molds, compression molds, and other custom molds based on client requirements.

What industries do your molds serve?

Our molds are used across various industries, including automotive, medical, electronics, consumer goods, aerospace, and packaging.

What materials are used for mold making?

We use high-quality materials like P20 steel, H13 steel, S136 stainless steel, aluminum, and other durable alloys, depending on the mold application and product requirements.

Can you design molds based on my product?

Yes, our experienced design team can create custom mold designs based on your product specifications and provide detailed 3D CAD models for approval.

What is the typical lead time for mold making?

The lead time varies depending on the complexity of the mold but typically ranges from 2 to 6 weeks. We also offer expedited services for urgent projects.

Do you offer prototype molds or low-volume mold options?

Yes, we provide rapid prototype molds and low-volume molds for initial product testing and pre-production runs, which are cost-effective and quicker to produce.

What types of plastic can your injection molds handle?

Our molds are compatible with various plastics, including ABS, PC, PP, PE, PVC, nylon, PEEK, and engineering plastics for high-performance applications.

How do you ensure the quality of your molds?

We perform rigorous quality control checks, including material testing, dimensional accuracy inspections, and trial runs to ensure the mold meets all specifications.

Can you repair or modify existing molds?

Yes, we offer mold repair and modification services to adjust, refurbish, or enhance existing molds for better performance and extended life.

Why should I choose your mold-making services?

Our services combine precision engineering, advanced technology, fast turnaround times, competitive pricing, and a proven track record of delivering molds for global clients.