A leading LED Light diffuser manufacturer in china

13 years of experience in plastic extrusion and light diffuser manufacturing.
Specializing in polycarbonate and acrylic material diffusers, tubes, rods, and profile extrusion.
With 20 advanced plastic extrusion production lines, featuring the latest technology and capable of high-volume production.
Serving a wide range of industries, including lighting, construction, automotive, electronics, medical, packaging, etc.
Dedicated to providing custom solutions with in-house design and tooling capabilities, ensuring precise and efficient production of unique profiles.
Certified to ISO 9001 standards, guaranteeing consistent quality control and reliable product performance.
Offer competitive prices and high-quality diffuser extrusions that exceed your expectations.

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Trusted by

Brands and clients from domestic and global

explore our range of LED Light diffuser extrusions

Arcylic diffuser

made by pure PMMA raw material

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optical lens diffuser

made by pure PC or PMMA raw material

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Micro prismatic diffuser

made by pure PC or PMMA raw material

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polycarbonate diffuser

made by pure PC raw material

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acrylic tube

made by pure PMMA raw material

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Polycarbonate tube

made by pure PC raw material

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Coextrusion plastic profile

made by pure raw material

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Tell us your detailed request about diffusers, tubes, and profiles, we will help find the best solution for your project.

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Outstanding manufacturing services

At EXLONG, we not only provide custom plastic profile manufacturing but also offer services of mold making, aluminum extrusion, and secondary operations on plastic extrusions, to provide an excellent customer experience.

mold manufacturing

We provide professional custom extrusion mold-making services for light diffusers, tubes, and profiles.

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custom plastic extrusion

Customized plastic extrusion profiles for a wide range of industries and applications

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secondary operation

Enhancing the functionality of extruded light diffusers and profiles by secondary operation.

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aluminum extrusion

Aluminum extrusion manufacturing is our extension of plastic profile extrusion services.

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why you can Trust EXLONG

Your Premier Source for Light Diffusers

EXLONG, a leading Chinese manufacturer of light diffusers, produces high-quality standard and custom plastic profiles, including diffusers, tubes, and profiles tailored for applications in LED lighting, medical, automation, and electrical industries. Equipped with 15 advanced plastic extrusion lines and comprehensive in-house testing facilities, EXLONG efficiently manufactures and delivers top-quality extruded diffusers and profiles directly to customers. Managing every stage of production internally—from mold design and precision mold-making to advanced extrusion techniques—EXLONG maintains strict control over quality and delivers innovative diffusers and profiles tailored to the most demanding specifications for shape, size, and tolerance. Our experienced engineering team has a proven track record of completing complex extrusion projects, developing deep expertise in led diffuser and plastic profile extrusion, enabling us to offer customized solutions for even the most challenging applications.

Customization capability

Offer custom light diffuser 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.

plastic extrusion industrial applications

LED circular profile for office lighting

LED aluminum channels can be bent into different radius, they can achieve curves, waves, circles, or other creative shapes for settings like office lighting, commercial lighting, etc.

led linear profile for commercial display

Mounting LED aluminum profiles on ceilings or surfaces with compatible LED strip lights is a very popular use in commercial displays, such as supermarkets and retail stores. The LED profile lights cast direct lighting to commodities in the space, while maintaining a clean environment.

led profile for library lighting

Mounting aluminum LED profile lights to library ceilings creates a neat atmosphere and provides main lighting for the entire space. Their versatility also allows the integration into bookshelves, offering glare-free task lighting for comfortable reading and studying conditions throughout.