Find the best Engineered Solutions for You

Start by sending us your prototype or CAD files, and we will work with you to fully understand your design and performance requirements. We will ensure that you receive the Engineered Solutions that your product requires.

One-Stop Sourcing

Our expertise extends beyond plastic and rubber molds and parts.
RiLong offers comprehensive manufacturing solutions and one-stop sourcing service, guiding customers from initial design to final assembled products.

Mold Design And Production

Specialized in delivering high-quality, reliable mold-making and rapid tooling production services to meet your diverse project needs, from custom injection molds to bespoke products.

Plastic Injection Molding

Rilong’s experts will assist in selecting the ideal plastic.
The best plastic for injection molding varies based on the final product, with diverse characteristics impacting its application.

Our Services

Rilong Precision Mold is a full-service supplier of engineering services, product design and integration, and contract manufacturing of a wide variety of injection molded components and subassemblies. 

Our Factory


RiLong Precision Mold Company was established in 1990 in Shenzhen, as an original supplier of high-precision plastic injection parts, that were mainly exported to the US and Japan.
Currently employs 300 skilled and experienced staff members to work in engineering, production, inspection, and QC units.
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years of
experience

Contract Manufacturing


We provide an extensive array of processing techniques for both metal and plastic components.
Mold Making
ToolingManagement
Rapid Prototyping
CNC Machining
Vacuum Casting
Composite Material Injection Molding
Sourcing and Supply Chain Management
We will answer any of your questions
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Best Price
Low-Volume Manufacturing
As fast as 1 day
Mass Production
Top-grade equipment

Quality Guarantee


Rilong, an ISO  9001:2015 and ISO 13485-certified plastic injection molding company in Shenzhen, exceeds industry standards to deliver exceptional quality. Our rigorous processes guarantee the timely delivery of high-quality plastic products tailored to your company’s specific needs. We also maintain AS9100 compliance, FDA registration, an active CAGE Code, and ATF FFL registration. Additionally, we regularly test our products to UL, CE, and FCC standards through third-party partners, ensuring the utmost reliability and performance.
We adhere to the following quality systems:
1. ISO9001 – Quality Management
2. ISO14001 – Environmental Management
3. IATF16949 – Automotive Industry Quality Management Standard
4. 6S Managing system –SEIRI, SEITON, SEISO, SEIKETSU, SHITSUKE
5. All of the materials are compatible with RoHs and Reach certifications.
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Measuring Devices
Success Projects
ISO 9001, ISO 14001, IATF 1694, AND UL-CERTIFIED FACTORIES

Our Recent Projects


Hair Styling Tool

We helped our US customers create a hair styling device from design optimization to production and packaging. The device includes over 10 plastic parts, with optimized designs for manufacturability. We also collaborated to produce discs with crystals. Despite initial challenges, our production lines now run smoothly, yielding 20,000 units per month.

Note: In respect of confidentiality and under the terms of a Non-Disclosure Agreement (NDA) with our customer, product logos have been omitted.

Why Choose Us

Delivering Innovation Since Inception Years
One-Stop-Shop For Everything Molding

We are not just another mold-making company; instead, we offer you a full-fledged experience and take care of everything from prototyping to presenting the final product for you.

Cutting-Edge Equipment

The mold center ensures high precision by providing high-precision CNC machining, spark machines, and precision grinders.

Expertise And Experience

With 50+ experienced mold R&D and quality engineers, we guarantee product quality and smooth project progress.

Stringent Quality Control

We maintain high-quality standards through ISO certifications. automotive industry standards, and 6S management.

Trusted for Manufacturing by​

Our cooperated customers, we are not only the supplier, but also we are the best partner.

Our Socials
30+ years of manufacturing experience!
We listen to your WORDS!
We understand your NEEDS!
We work for your AMBITIONS!

Need High Quality Injection Molded Parts?

If you have a great idea, we can help bring it to life. We’ve done this before and enjoy becoming partners throughout product creation. From advising you through the mold sourcing process to delivering your new product to customers, we want to work with you every step of the way.

A Never-Ending Pursuit to Get Better

Our strength is our flexibility and adaptability. We combine our experience with your ideas to bring out products that are one step into the future.

Quality Defect-Free Production

Our vision is to not only deliver products that exceed customer expectations but also to help them reduce costs by working with them in the mold design fields. 

On-Time Order Delivery 

We desire to ensure that customers receive the goods accurately and complete delivery in the shortest possible time.