200+ Mold Designs & In-House Tooling
Plastic Extrusion Factory for Custom PC & PMMA Profiles
Your design, our precision. Exlong brings your custom PC and PMMA profiles to life—from early tooling prototypes to volume production—with speed, reliability, and consistent quality.
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Tell us your detailed request about diffusers, tubes, and profiles, we will help find the best solution for your project.
Our Advanced Extrusion capabilities
At Exlong, we offer comprehensive plastic extrusion capabilities. Beyond custom profile manufacturing, we provide in-house tool design, die-making, and precision secondary operations to deliver parts that match your exact engineering requirements.
premium raw materials
We source 100% virgin materials from trusted global brands, ensuring high optical clarity for PMMA and excellent impact and UV resistance for Polycarbonate (PC) profiles
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co extrusion capabilities
We possess advanced co-extrusion capabilities, enabling us to fuse different plastic materials, colors, or layers into a single profile with seamless precision.
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tooling & die design
Our in-house tooling workshop designs and wire-cuts precision extrusion dies. This controls upfront costs, ensures tight tolerances, and shortens your sample lead time.
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Industry-Specific Extrusion Solutions
Manufactured through EXLONG PLASTICS
why you can Trust EXLONG
Your Premier Source for plastics extrusion
Exlong is a professional Chinese factory of standard & custom plastic extrusions. We produce and deliver high quality light diffuers, tubes, covers and profiles directly from our own factory. We operate our own production lines and our own tooling workshop. We control every step in-house, from mold design and precision die-making to extrusion, so we can honestly control quality, dimensions and lead times. Our engineering team has 13 years of experience to know how to deal with complex shapes and tight tolerances,ensuring every batch matches your drawing perfectly.
Customization capability
Offer custom plastic profile extrusion solutions with flexible production, and rapid response to meet diverse needs.
Strict quality control
Rigorous quality control ensures our extruded diffusers, profiles meet international standards for consistent reliability.
Extensive Production Experience
With over a decade of experience in plastic extrusion, our company leverages advanced equipment and a skilled technical team to deliver quality extruded plastics.
high-quality service
We deliver comprehensive service, including expert pre-sales advice, timely delivery, and reliable after-sales support to ensure customer satisfaction.
what our clients said about us
Finding a supplier who understands optical diffusion is rare. Exlong perfectly balanced light transmission on our custom diffusers with zero dark spots. Their team is professional.
Athenea
We were worried about the wall thickness tolerance for our clear PMMA tubes, but Exlong delivered exactly what we drew. The surfaces are flawless, and the dimensions are highly stable.
Geraldo
We needed custom spiral twisted and colored tubes for a retail display project. Most factories turned us down, but Exlong’s team made it happen. The finish looks great under store lighting.
Monica
We’ve been buying custom plastic profiles from Exlong for years. They are honest about lead times and the product quality is steady across batches. A highly reliable factory partner.
Michel
check our most Recent articles
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Explore how to select the right UV-resistant polymer materials for outdoor LED architectural profiles. Compare UV-stabilized polycarbonate (PC) and acrylic (PMMA) regarding impact resistance, thermal expansion, and weather weathering performance.
Explore custom extruded LED strip light diffuser channels designed for lighting manufacturers. Learn how precision snap-fit geometries, optical compound compounding, and thermal expansion tolerances solve loose fitting, light leakage, and LED spotting issues in linear fixtures.
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Join our engineering team for a seamless custom plastic extrusion experience.
Send your design & specs
Share your drawings, 3D files, or specific size and color requirements with us.
Get a custom quote
Our team will review your project details and provide a fair, transparent quote.
Tooling & prototyping
We design the extrusion die in-house and supply samples to ensure an exact fit.
Mass production & delivery
Once samples are approved, we handle the full production run and ship straight to you.
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