Precision
Injection Molding
Engineered to Perfection
We deliver high-precision plastic components with exceptional quality, reliability, and efficiency for industries worldwide.
About Our Injection Molding Factory
20+ years of expertise in custom plastic parts production, mold development & on-time global delivery. We turn your designs into high-quality products.
We are a professional plastic injection molding manufacturer, integrating design, mold development, injection molding and delivery. 10000+㎡ factory, 20+ years of experience, serving 50+ countries globally.
Years Experience
Production Base
Countries Served
Solution
Our Core Services
Comprehensive injection molding solutions tailored to your specific requirements, from design to delivery.
Custom Injection Molding
We specialize in custom plastic injection molding for electronics, automotive, medical and household industries. From 100-piece prototypes to million-piece production runs, we deliver consistent quality.
Our capabilities include: multi-cavity molds, overmolding, insert molding and gas-assisted injection molding.
Precision Mold Development
Our in-house mold design and manufacturing team creates high-life molds (500,000+ shots) with DFM analysis to optimize for production efficiency and part quality.
We use premium steel materials and advanced CNC machining to ensure mold durability and dimensional accuracy.
Material Expertise
We work with all engineering plastics including ABS, PC, PP, PE, PA, POM, PMMA and FDA-certified food-grade materials. Our material selection guidance ensures optimal performance for your application.
Custom material compounding available for specialized requirements (flame retardant, UV resistant, reinforced).
Injection Molding Production Process
Efficient・Precise・Reliable Full Injection Molding Process
1
Drawing Analysis
1-2 days
DFM report for injection molding
2
Mold Design
15-25 days
High precision & long life
3
Material Prep
1 day
Custom material selection
4
Injection Molding
7-15 days
Strict quality control
5
Quality Testing
1 day
Batch test reports
6
Packaging & Delivery
1-3 days
Global fast delivery
Series products
Real-world applications of our injection molding expertise across diverse industries.
Standard Precision Injection Molding
Process
Adopts standard screw injection molding: melts plastic, injects into precision mold under high pressure, cools for solidification, and ejects for mass production—the most fundamental and widely used injection technology.
Suitable Materials
PP, ABS, PS, PC, PA, POM, PMMA and other general & engineering plastics.
Applications
Electronic enclosures, home appliance structural parts, daily necessities, basic automotive interior/exterior parts, conventional structural components.
- Mature and stable process with high efficiency & controllable cost
- High dimensional accuracy and excellent surface finish
- Suitable for large-batch & standardized production
- Short mold development cycle, compatible with multiple materials
Overmolding & 2K Injection Molding
Process
Includes 2K injection (two sets of molds / two-shot machine) and overmolding (hard substrate + soft plastic second injection), realizing rigid-soft integration without extra assembly.
Suitable Materials
Rigid: ABS, PC, PA; Soft: TPE, TPR, TPU, silicone and other elastomers.
Applications
Tool handles, toothbrushes, electronic buttons, steering wheels, anti-slip housings, wearable products.
- One-piece molding, no glue or secondary assembly
- Improves grip, anti-slip, shock absorption and sealing
- Premium appearance with stable two-color effect
- Balances structural strength and flexibility
Insert Molding
Process
Pre-places metal parts, nuts, terminals, shafts into the mold, then injects plastic to form an integrated structure.
Suitable Materials
Engineering plastics (PA66, PBT, PC/ABS) + inserts: copper, stainless steel, carbon steel, brass, etc.
Applications
Connectors, sensor housings, motor parts, automotive electronics, structural parts with nuts, electrical terminal blocks.
- Strong bonding between plastic and metal, not easy to separate
- Simplifies assembly and improves product stability
- Enables complex integrated structures and reduces size
- Enhances conductivity, thermal conductivity and strength
Gas-Assisted Injection Molding
Process
After partial filling, high-pressure nitrogen is injected to push plastic and form a hollow structure, reducing sink marks, warpage and weight.
Suitable Materials
PP, PE, PS, ABS, PA, POM and other thermoplastics.
Applications
Automotive door handles, home appliance housings, thick-wall handles, pipes, large structural parts.
- Eliminates sink marks and warpage, high flatness
- Reduces product weight and material cost
- Shortens cooling time and improves efficiency
- Capable of thick-wall & long-flow complex structures
Liquid Silicone Rubber (LSR) Molding
Process
Two-component liquid silicone is measured, mixed, injected at low/high temperature and vulcanized—an eco-friendly precision elastomer molding.
Suitable Materials
Liquid Silicone Rubber (LSR).
Applications
Mother & baby products, seals, waterproof rings, medical accessories, automotive seals, electronic waterproof structures.
- Food/medical grade, non-toxic, odorless, good biocompatibility
- Excellent high/low temperature resistance, aging resistance and waterproof sealing
- High dimensional accuracy, no burrs, high yield
- Soft and highly elastic, no deformation in long-term use
Micro Precision Injection Molding
Process
Ultra-small tonnage machine + micron-level precision mold for high-precision molding of tiny, ultra-thin, high-detail parts with tolerance up to ±0.01mm.
Suitable Materials
PEEK, PPS, LCP, PMMA, PC, PA and other high-performance engineering plastics.
Applications
Precision connectors, optical lenses, medical micro-pins, sensor parts, electronic micro-structures, optical components.
- Ultra-high dimensional and repeatable accuracy
- Capable of tiny, ultra-thin, highly complex structures
- Excellent surface quality for optical & precision electronics
- High material utilization and strong stability
Injection Molding Certifications
We have complete certifications for injection molding products, meeting global compliance standards, ensuring your products enter the global market smoothly.
ISO 9001
- Quality Management System
- Application: All industries
- Advantage: Stable quality, standardized process, eligible for global bidding
RoHS 2.0
- EU Environmental Compliance
- Application: Electrical & electronic products
- Advantage: Hazard-free, EU market access
FDA
- US Food Contact Safety
- Application: Food-grade plastics, tableware, baby products
- Advantage: Safe & non-toxic, US market access
REACH
- EU Chemical Compliance
- Application: Most products exported to EU
- Advantage: EU regulatory compliance, smooth customs clearance
Why Choose Our Injection Molding Service
Professional Injection Molding Solutions, One-Stop Service from Design to Mass Production
One-Stop Service
Integrate design, mold development, injection molding and delivery, no need to contact multiple suppliers.
Customization Flexibility
Small batch (100pcs) to mass production, meet your diverse injection molding needs.
Global Compliance
Complete RoHS/FDA/ISO certifications, export to 50+ countries without barriers.
Factory Direct Price
No middlemen, 10%-15% lower price than traders with the same quality.
Fast Response
24-hour consultation, rush injection molding orders delivered in 7 days.
Quality Guarantee
12-month warranty, 48-hour solution for quality problems.
Rush Order Service
Need injection molding parts fast? Our 7-day rush delivery service delivers small batch (100-5,000pcs) custom parts without compromising quality – no extra charge for urgency.
Urgent Line: +(86)15159297535
What Our Clients Say
Strength Witnessed by Reputation, Trust Earned by Quality
I found Xiamen Ruicheng through Alibaba. We produced precision injection parts for automotive electronics. There was a slight dimension deviation in initial samples, but their engineers rechecked the mold and optimized the process immediately. They provided qualified samples in 3 days, and mass production was perfectly stable. Communication was efficient and punctual.
Is there a problem?
Answers to frequently asked questions about injection molding.
What is the minimum order quantity for injection molding?
100pcs, support small batch trial production, bulk orders enjoy preferential prices. We can also provide customized solutions for special order quantities.
How long is the delivery time for custom injection molding?
Generally 7-15 days for regular orders; rush orders can be delivered in 7 days, depending on the order quantity and mold complexity.
Do you provide mold development service for injection molding?
Yes, we offer one-stop mold development service, including design, production and testing, ensuring high precision and long service life of molds.
What materials do you use for injection molding?
We use ABS, PC, PP, PE, PA and other engineering plastics, as well as FDA-certified food-grade materials, meeting diverse industry needs.
Can you provide certification for injection molding products?
Yes, we have ISO 9001, RoHS 2.0, FDA and REACH certifications, ensuring products meet global compliance standards for export.
Get Your Free Custom Quote
Our engineering team will review your requirements and provide a detailed, transparent quote within 24 hours.
Let's Talk WhatAPP
+(86)15159297535
Email Support
marketing@chinaruicheng.com
Visit Our Facility
Head Office No.50, Liheng Industrial Zone, Xinglin West Road, Jimei District, Xiamen, China