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Custom Plastic Injection Molding – Precision Plastic Components | OEM Manufacturer
Custom Plastic Injection Molding – Precision Plastic Components for Global Industries
High-Quality Custom Plastic Injection Molding Services
We are a professional custom plastic injection molding manufacturer specializing in precision plastic components for industries worldwide. With over 10 years of experience, we deliver high-quality injection molded parts for automotive, electronics, medical devices, industrial equipment, and consumer products.
From prototype to mass production, we provide one-stop injection molding solutions – including mold design, material selection, production, and quality control – all under one roof.
Why Choose SEME Hardware as Your Injection Molding Partner?
| Advantage | Why It Matters |
|---|---|
| 10+ Years of Experience | Proven track record in custom plastic injection molding |
| In-House Mold Making | Faster lead time, better quality control, lower cost |
| ISO 9001:2015 Certified | Consistent and reliable quality |
| 24-Hour Quotation | Fast response to your inquiry |
| 7-Day Sample Lead Time | Accelerate your project development |
| Global Export | Trusted by customers in North America, Europe, Asia, and Australia |
Materials We Support
We work with a wide range of engineering-grade thermoplastics to meet your specific application requirements:
| Material | Key Properties | Typical Applications |
|---|---|---|
| ABS | Impact resistant, excellent surface finish | Electronic housings, automotive parts, consumer goods |
| PC (Polycarbonate) | High strength, heat resistant, transparent | LED lenses, safety shields, medical device enclosures |
| PP (Polypropylene) | Lightweight, chemical resistant, fatigue resistant | Medical components, automotive parts, living hinges |
| PEEK | High temperature resistance, excellent mechanical strength | Aerospace, medical implants, high-performance engineering parts |
| POM (Acetal) | Low friction, high stiffness, dimensional stability | Gears, bearings, precision mechanical components |
| PA66 (Nylon) | High strength, wear resistance, good impact property | Automotive under-hood parts, industrial components |
Our Injection Molding Capabilities
| Capability | Details |
|---|---|
| Injection Molding Machine Tonnage | 50T – 1200T |
| Part Weight Range | 0.1g – 5000g |
| Tolerance | ±0.02mm (precision parts) |
| Annual Output Capacity | 10 million+ pieces |
| Mold Types | Two-plate mold, three-plate mold, hot runner mold, unscrewing mold |
| Mold Steel | P20, 718H, NAK80, S136, H13 |
| Mold Life | 100,000 – 1,000,000 shots |
Precision Plastic Components for Various Industries
Our custom injection molded parts are widely used in:
| Industry | Applications |
|---|---|
| Electronics | Device housings, connectors, switches, enclosures |
| Automotive | Interior trim, under-hood components, lighting parts |
| Medical | Device casings, surgical instrument handles, diagnostic equipment parts |
| Industrial Equipment | Machine guards, pump components, gear housings |
| Consumer Products | Appliance parts, packaging components, household items |
Quality Assurance – 100% Inspection Before Shipment
We implement strict quality control throughout the entire production process:
✅ Pre-production – First article inspection (FAI) to confirm dimensions
✅ In-process – Real-time monitoring and random sampling
✅ Final inspection – 100% critical dimension check before shipment
✅ Documentation – Full QC report, material certificate, and PPAP available
Surface Finishing & Secondary Operations
We offer a variety of surface finishing options to meet your product requirements:
Texture finishing – Grain patterns, smooth, glossy, or matte
Painting & printing – Custom color painting, screen printing, pad printing
Plating & coating – Chrome plating, nickel plating, anti-static coating
Assembly – Insert molding, over molding, ultrasonic welding, part assembly
Our OEM & ODM Process – From Drawing to Delivery
| Step | Process |
|---|---|
| 1 | You send us your drawing or sample (STEP, IGES, PDF, or CAD) |
| 2 | Engineering review and DFM feedback |
| 3 | Mold design and tooling development |
| 4 | Sample production (T1 samples for approval) |
| 5 | Mass production |
| 6 | 100% quality inspection |
| 7 | Packaging and shipment |
Why Manufacturers Trust SEME Hardware
| Feature | Benefit |
|---|---|
| One-Stop Solution | Mold design + injection molding + assembly – no need for multiple suppliers |
| Competitive Pricing | Factory direct, no middleman markup |
| Fast Turnaround | Samples in 5–7 days, mass production in 3–4 weeks |
| Reliable Quality | ISO 9001 certified with 100% final inspection |
| Professional Support | Engineering team available for design optimization |
Other Manufacturing Capabilities
In addition to plastic injection molding, we also offer:
Custom stainless steel springs (constant force, variable force, torsion, compression)
Contact Us for a Free Quote
Looking for a reliable custom plastic injection molding manufacturer for your precision plastic components?
📩 Send us your drawings or samples today – we will provide a professional quotation within 24 hours.
📧 Email: [email protected]
📞 WhatsApp / WeChat / Phone: +86 186 6511 1545
👉 We look forward to becoming your long-term OEM manufacturing partner.
