Your Trusted China Injection Molding Partner
RELIU INJECTION MOLDING: Custom Plastic Solutions Since 2002
We are a professional China-based injection molding factory, specializing in custom plastic part manufacturing, mold design, and mass production for global clients in Europe, North America, and the Asia-Pacific region. From prototyping to high-volume production, we deliver precision, quality, and on-time delivery you can rely on.
Your Trusted China Injection Molding Partner
20+ Years of Injection Molding Expertise
With decades of experience serving global brands, we combine advanced technology, strict quality control, and flexible production capacity to meet your unique project requirements.
1000+
Projects Completed
20+
Years in Injection Molding
500+
Global Clients Served
50+
Professional Team Members
Our Core Services
Quality Services
Custom Injection Molding
High-precision plastic part manufacturing for various industries, from small components to large assemblies.
Mold Design & Manufacturing
In-house mold design and precision tooling for custom plastic products, with rapid prototyping support.
Material Selection & Consulting
Expert guidance on plastic materials (ABS, PC, PP, PA, etc.) to meet your product performance and budget needs.
OEM/ODM Services
Full-cycle OEM/ODM support from design review to mass production, tailored to your brand requirements.
Secondary Processing
Post-molding services including assembly, printing, painting, and packaging for turnkey solutions.
Quality Assurance
Strict ISO-compliant quality control, including in-line inspection and full product testing before shipment.
Sustainability
Safety, Quality & Sustainability
We prioritize workplace safety, environmental compliance, and sustainable manufacturing practices.
Our Commitments
Our factory adheres to international standards, with eco-friendly production processes and waste reduction initiatives.
- Sustainablility
- On-Time Delivery
- Advanced Injection Molding Tech
- Custom Design Support
Sustainability
Trusted by Clients Worldwide
We export our plastic products to Europe, North America, and the Asia-Pacific region, with long-term partnerships with brands across automotive, electronics, home goods, and medical industries.
North America
Shipment to USA/Canada
Europe
Shipment to EU/UK
Asia-Pacific
Shipment to Australia/Southeast Asia
Our Team
Meet Our Expert Team
Liu Yan
Sister Ying 77
Zhuang Sheng
Our Featured Projects
Custom Plastic Projects We’ve Delivered
Automotive Plastic Components
Electronic Device Housings
Home Appliance Parts
Medical Device Components
What Our Clients Say
Testimonials
Procurement Manager
Alice Howard
"Their injection molding team has been our go-to supplier for 3 years. The precision of the automotive plastic parts they produce meets our strict EU quality standards, and their lead times are always reliable."
Product Development Lead
Nathan Marshall
"We partnered with this factory for our consumer electronics enclosure project. Their engineering support during the design phase helped us cut tooling costs by 20%, and the final parts were delivered defect-free."
Operations Director
Ema Romero
"Working with this Chinese injection molding factory has been a game-changer for our manufacturing in Southeast Asia. They offer competitive pricing without compromising on quality, and their communication is clear and responsive."
Quality Assurance Manager
Ann Smith
"We audit dozens of factories each year, and this one stands out for its rigorous quality control processes. All our medical-grade plastic components pass our strict testing, making them a trusted long-term partner."
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