Plastic Injection Molding Company in St. Louis MO
LXG Mold Tooling delivers dependable plastic injection molding services in St. Louis MO, trusted worldwide with 3000+ molds delivered, 200+ projects completed, operations across 38+ countries, and a skilled team of 1,200+ professionals focused on precision, speed, and value.
Get In Touch With Us
3 Steps For Precision Manufacturing

Share Your Files
We’ll sign an MNDA and assess manufacturability for free.

Recieve A Quote
Clear pricing and lead times, no
surprises.

Place Your Order
Lock in production and move forward with confidence.
Our Testimonials
our client say's
At LXG Mold Tooling, we believe great products start with great tools. As a global leader in injection mold tooling and high-precision plastic manufacturing, we’ve built our reputation on quality, speed, and trust.
Founded in 2000 as part of LongXiang-Ltd, our company has grown into one of China’s most reputable mold-making and injection molding partners. With a 5,000 sq. meter facility, 120+ skilled professionals, and state-of-the-art equipment, we provide end-to-end solutions — from concept validation and rapid tooling injection molding prototypes to mass production with durable injection molding tools.







Get A Quote Now and let’s build smarter, faster, and stronger — together.














LXG Mold Tooling is a proven injection molding company in St. Louis MO, supporting manufacturers across Missouri and the Midwest with high-quality, scalable plastic injection molding solutions. We work with startups, OEMs, and established enterprises that require consistent quality, predictable lead times, and cost-effective production.
Our capabilities span the entire manufacturing lifecycle, including design consultation, mold tooling, prototyping, and full-scale production. Businesses choose us for custom injection molding in St. Louis MO because we combine responsive local service with strong global manufacturing capabilities. Our U.S.-based engineering teams collaborate closely with customers, while our advanced production facilities in the USA and overseas provide flexibility in pricing, capacity, and delivery timelines.
We manufacture precision injection molding mold parts in St. Louis MO for automotive, industrial equipment, electronics, medical devices, construction products, and consumer goods. Each project is engineered with a focus on material performance, tight tolerances, durability, and compliance with industry standards.
For companies searching for a plastic injection molding service near me, LXG Mold Tooling offers fast quoting, clear communication, and reliable logistics. Our integrated approach reduces production risk, shortens development cycles, and ensures repeatable, production-ready results.
We also support advanced tooling requirements through our comprehensive injection mold tooling services, ensuring molds are optimized for long service life, efficiency, and consistent output.
Why Choose LXG Mold Tooling
Choosing the right molding supplier has a direct impact on quality, cost control, and delivery reliability. LXG Mold Tooling is a trusted injection molding company near me for St. Louis–based manufacturers because we focus on results, transparency, and long-term partnerships.
Why manufacturers choose LXG Mold Tooling:
Proven global experience: 3000+ molds delivered worldwide
Reliable execution: 200+ successfully completed projects
International reach: Manufacturing presence across 38+ countries
Skilled workforce: 1,200+ experienced professionals
Precision quality: Tight tolerance control and consistent output
Fast turnaround: Efficient tooling and production workflows
Flexible pricing: USA and China manufacturing options
Strict quality control: Multi-stage inspection and validation
Material expertise: ABS, engineering plastics, and PEEK
End-to-end service: Design, tooling, production, and delivery
We also specialize in high precision plastic injection molding, supporting complex components that require exact dimensions and dependable performance across production runs.
Our Injection Molding Process
Our injection molding process is designed to be clear, efficient, and professional, allowing clients to move from concept to production with confidence.
Step 1: Design Review & Engineering Consultation
We evaluate part geometry, material selection, tolerances, and application requirements. Early engineering input helps avoid tooling issues and reduces costly revisions.
Step 2: Tooling & Mold Manufacturing
Using advanced CAD/CAM technology, we build durable molds engineered for consistent output and long production life. Complex projects may include gas assisted injection molding manufacturer techniques to improve part strength and reduce material usage.
Step 3: Prototyping & Testing
Through prototype plastic injection molding, we produce sample parts to validate fit, function, and performance before mass production.
Step 4: Trial Runs & Quality Validation
Initial runs confirm mold performance and part consistency, supported by accurate dimensioning injection molded parts inspections.
Step 5: Production Scaling
Once approved, production is scaled efficiently using low volume injection moulding or high-volume manufacturing depending on demand.
Step 6: Final Inspection & Delivery
All parts undergo final inspection before secure packaging and on-time delivery.
Benefits of Plastic Injection Molding in St. Louis MO
Using plastic injection molding services in St. Louis MO offers strong advantages for manufacturers serving regional and national markets.
St. Louis benefits from central U.S. positioning, strong transportation infrastructure, and access to skilled manufacturing labor. Working with a local injection molding company in St. Louis MO improves communication, project oversight, and turnaround time.
Key benefits include:
Faster access to Midwest and national markets
Reduced shipping and logistics costs
Strong industrial and manufacturing ecosystem
Easier compliance with industry standards
Scalable production for growing businesses
Injection molding delivers consistent quality at scale, producing uniform parts with repeatable dimensions and surface finishes. This makes it ideal for applications such as injection molded plastic auto parts and electronics plastic injection molding components.
Methods & Technologies We Use
LXG Mold Tooling applies modern and proven injection molding technologies to support diverse manufacturing requirements.
We provide custom injection molding in St. Louis MO for specialized designs and performance-critical applications. Our rapid prototype injection molding services allow clients to validate designs quickly and reduce time to market.
Our technical capabilities include:
Rapid injection molding prototyping
Desktop plastic injection molding for small precision components
Large part plastic injection molding company solutions
Injection molding cylindrical parts manufacturer services
Injection molding hollow part manufacturer processes
Injection molding large flat parts
Jet injection molding plastic parts
We also support industry-specific manufacturing such as:
Aerospace injection molding
Injection molding car parts
Injection molding food products
Injection molding packaging
Injection molding plastic hardware parts
Construction industry injection molding service
Material options include ABS, reinforced polymers, and advanced materials like peek plastic injection molding. For cost-sensitive projects, we also provide china abs plastic injection molding through qualified global facilities.
Lowest Price Guaranteed
LXG Mold Tooling offers transparent, competitive pricing built on efficiency and long-term value. Pricing is based on part complexity, material selection, tooling requirements, and production volume.
Clients may choose U.S.-based manufacturing for faster turnaround or leverage plastic injection molding china for reduced tooling and per-part costs. As a trusted injection mold manufacturer china, we maintain the same strict quality standards across all facilities.
There are no hidden fees. Every quote is detailed, clear, and aligned with your production goals.
Location-Specific Injection Molding Services in St. Louis MO
If you’re searching for a plastic injection molding service near me in St. Louis MO, LXG Mold Tooling delivers fast response times, reliable production schedules, and industry-focused expertise.
We support local manufacturers with tooling, prototyping, and production services while offering global capacity when needed. Our work includes abs injection molded plastic parts, medical components such as china plastic injection molding medical parts, and complex assemblies produced through our injection mold company china network.
St. Louis–based clients benefit from fast engineering feedback, quicker revisions, and dependable delivery timelines, ensuring projects stay on track from concept to completion.
FAQs
1. What industries do you serve in St. Louis MO?
We serve automotive, aerospace, electronics, medical, construction, packaging, and consumer product industries.
2. Do you offer custom injection molding in St. Louis MO?
Yes, all projects are customized to meet specific design and performance requirements.
3. Can you provide rapid prototyping?
Yes, we offer rapid injection molding prototyping for faster product validation.
4. How long does production take?
Timelines depend on complexity and volume, but we prioritize fast turnaround.
5. Do you support low-volume production?
Yes, we handle both low-volume and high-volume manufacturing.
6. What materials can you mold?
We mold ABS, engineering plastics, reinforced polymers, and specialty materials.
7. How do you ensure quality control?
Through multi-stage inspections, dimensional checks, and validated processes.
8. Is China manufacturing reliable?
Yes, our China facilities operate under strict quality and process controls.
9. How does pricing differ between USA and China?
China manufacturing reduces costs, while USA production offers faster delivery.
10. How can I request a quote?
Contact LXG Mold Tooling with your design files and project requirements for a fast, accurate quote.