Since 2002, Longguang has specialized in precision industrial brush manufacturing. Operating ISO 9001-certified factories in Shanghai and Anhui, we deliver tailored surface finishing solutions for automotive, aerospace and high-tech industries worldwide. Equipped with advanced German WOHLER machinery and standardized craftsmanship, we produce over 5 million standard and custom industrial brushes yearly for critical deburring, polishing and precision finishing applications. More than a brush supplier, Longguang delivers consistent precision and reliability to solve your most demanding surface finishing challenges.
This showroom was completed in June this year. It is located on the 4th floor of the factory office building. We display all standard products of Longguang as well as some customized items for clients here. You are welcome to pay a visit.
Silicon carbide abrasive wire end brushes are ideal for deburring air compressor rotors. The sharp, hard SiC grit efficiently removes machining burrs from rotor edges and keyways without damaging critical surfaces . These brushes provide consistent, repeatable results in automated CNC or robotic cells . Using SiC brushes eliminates manual deburring—often slow, inconsistent, and prone to causing injury—and delivers a uniform, high-quality finish essential for rotor performance and reliability .
This copper-plated wire end brush is tailor-made for manual deburring on hydraulic valve blocks and manifold parts. The plated steel wires deliver moderate abrasion to strip tiny burrs, machining residues and inner-hole grit without scratching workpiece surfaces or causing metal contamination. Compact pen-style head easily reaches narrow cross holes and intricate cavities inside valve blocks. It works perfectly with handheld rotary tools for small-batch finishing and on-site trimming. Wear-resistant bristle structure ensures stable long-term use, ideal for hydraulic component manufacturing, maintenance and precision surface cleanup tasks.
Compressor cylinder deburring is a key process to ensure the stable operation of air conditioning equipment. Our silicon carbide abrasive filament end brushes are professionally developed for precision deburring of air conditioner compressor cylinders.
With high-hardness SiC abrasive filaments, the brush boasts sharp cutting force and excellent flexibility. It thoroughly removes tiny burrs and residual machining edges on cylinder surfaces and inner holes without causing scratches or deformation. It adapts perfectly to mass automated processing, effectively improving workpiece finish and assembly accuracy. Durable and wear-resistant, it reduces replacement frequency and production costs, becoming an ideal tool for refrigeration and air-conditioning parts finishing.
Precise deburring of air conditioner compressor cylinders is critical for reliable refrigeration system operation. Our silicon carbide abrasive filament end brushes are specially designed for this precision finishing scenario.
Featuring high-hardness SiC filaments, the brush delivers strong yet flexible cutting performance. It cleanly removes micro burrs and machining residues on cylinder surfaces and inner holes without scratching workpieces. Perfect for automated mass production, it improves surface finish and assembly precision, extends service life, and effectively reduces overall production costs.
Aluminum plates often leave unsightly tool marks and machining scratches after cutting. Our silicon carbide abrasive filament end brushes are ideal for aluminum surface finishing.
With fine, flexible SiC filaments, the brush gently and effectively clears tool marks and minor burrs without scratching or deforming soft aluminum materials. It delivers uniform, smooth surface texture, greatly improving product appearance and qualification rate. Perfect for automated aluminum part processing.
Aluminum profiles inevitably produce sharp burrs and rough edges after sawing. Our silicon carbide abrasive filament end brushes are tailored for aluminum profile sawing deburring.
Featuring flexible and fine SiC filaments, the brush efficiently removes sawing burrs and rough residues without scratching or damaging aluminum surfaces. It ensures smooth, consistent edge finishing, improves product aesthetics and assembly accuracy, and fits perfectly for automated mass production of aluminum profiles.
This diamond abrasive filament end brush is professionally engineered for automatic machining center operations, focusing on clean burr removal from 316 stainless steel pipe openings. Its rigid diamond grit filament delivers consistent cutting performance without scratching pipe inner and outer surfaces. It efficiently clears sharp residual burrs after cutting or drilling, improves workpiece surface finish, and shortens manual finishing time. Wear-resistant structure extends service life while stabilizing processing precision for mass stainless steel pipe production. Fully compatible with standard machining center tool holders for seamless automated workflow integration.
Our diamond abrasive end brush is specially designed for precise edge honing of carbide milling inserts. Uniform diamond grit filaments gently passivate sharp cutting edges evenly, eliminating micro chippings and tiny burrs without over-grinding. Proper edge treatment greatly boosts milling insert toughness, extends tool service life and improves workpiece machining quality. It fits all standard machining centers, supporting automated mass finishing with stable, repeatable passivation results for large-scale tool manufacturing.
Our ceramic fiber end brush is tailored for deburring new energy vehicle flow plates. Soft yet sharp ceramic filaments remove tiny burrs on flow channels without scratching the plate’s precision surfaces. It handles aluminum and alloy flow plates stably during automated machining, ensuring uniform, smooth channel edges. Compared with abrasive brushes, it leaves no secondary scratches and delivers long service life. Perfect for mass EV component production, compatible with standard machining centers to streamline your finishing process.
This silicon carbide abrasive wheel brush is a reliable finishing solution for removing burrs on motor shafts. The sharp and durable silicon carbide filaments efficiently clear flash, sharp edges and machining residues on shaft shoulders, keyways and circular surfaces. It features moderate cutting force that effectively eliminates burrs without causing excessive material removal or surface scratches on precision motor shafts. Compatible with automated lathes and machining centers, it ensures consistent processing effect in batch production, improves dimensional accuracy and reduces defective rate for motor core component manufacturing.
Our diamond wheel brush is customized for micro-deburring of harmonic reducer flexsplines, the core fragile thin-walled component of robotic reducers. High-hardness diamond abrasive wires clean tiny burrs and machining leftovers on tooth profiles and inner holes precisely, with zero over-cutting or deformation on delicate flexsplines. It matches automatic CNC equipment perfectly, maintaining stable and repeatable finishing effects in batch production. This tool upgrades reducer assembly precision and running smoothness, an essential consumable for high-precision robot transmission part manufacturing.
Professional dynamic balancing calibration is critical for industrial brush rolls before delivery. The process eliminates weight unbalance caused by filament density difference and roller body machining tolerance. Balanced brush rolls run smoothly at high rotating speeds, greatly reducing vibration, noise and workpiece surface chatter marks during grinding and deburring operations. It also protects machine spindle bearings, prolongs the service life of both the brush roll and processing equipment, guaranteeing stable finishing quality for long-term continuous automated production.
Our silicon carbide abrasive cup brush is purpose-built for deburring precision vacuum pump rotors. Tough silicon carbide filaments efficiently clear machining burrs, sharp edges and residual metal scraps on complex curved surfaces and groove positions. It features moderate cutting power to avoid over-grinding and surface damage on high-precision rotors. Compatible with CNC machining centers and automatic finishing equipment, it delivers consistent finishing results in mass production. This brush optimizes rotor surface smoothness, helps improve vacuum sealing performance and extends the service life of vacuum pump equipment.
This ceramic fiber brush is specially developed for removing micro burrs on the bottom of blind holes in hydraulic valve blocks. Flexible yet abrasive ceramic filaments can reach deep hidden blind hole bottoms that ordinary brushes cannot access. It thoroughly cleans residual machining burrs without scratching the inner wall and bottom precision sealing surface of valve blocks. Suitable for automated CNC deburring procedures, it ensures uniform finishing effect in bulk processing, avoids hidden risks of burr falling off blocking oil circuits, and greatly improves the stability and reliability of hydraulic valve assemblies.
Professional tube brushes are ideal for fine polishing the inner bore of compressor stators. The compact brush body easily penetrates narrow inner holes to remove machining tool marks, tiny burrs and rough surface textures evenly. It delivers consistent surface roughness without scratching the precision inner wall, optimizing the fit clearance between the stator and matching parts. Compatible with automated machining equipment for batch production, it enhances assembly smoothness and reduces friction loss during equipment operation, effectively improving the overall working efficiency and service life of compressors.
Our silicon carbide tube brush is designed for polishing internal channels inside hydraulic valve blocks. Its slender structure can go deep into narrow internal pipelines to eliminate micro burrs, tool marks and residual metal particles. Moderate cutting force ensures smooth inner surfaces without damaging precision sealing areas. It adapts to automated CNC processing and provides stable finishing results for mass production. Well-polished flow channels prevent debris blockage, enhance hydraulic oil circulation and improve the reliability of the entire hydraulic system.
Our aluminum oxide tube brush is engineered for deburring aluminum alloy valve bodies. Slim brush construction easily accesses internal channels and complex holes to clear micro burrs and machining residues. Aluminum oxide filaments offer mild cutting performance, effectively removing burrs while preventing over-grinding and surface scratches on soft aluminum materials. Suitable for automated CNC finishing lines, it maintains consistent results in mass manufacturing. Clean internal passages avoid particle contamination, guarantee sealing performance and boost the long-term stability of hydraulic and pneumatic valve assemblies.
Our silicon carbide wheel brush is customized for deburring air conditioning compressor cylinders. Sharp and wear-resistant silicon carbide filaments efficiently remove burrs, flash and tool marks on cylinder edges and sealing surfaces. It delivers balanced cutting strength to avoid over-processing and surface damage on precision cylinder parts. Compatible with automated machining equipment, it ensures uniform finishing in mass production. Smooth cylinder surfaces reduce friction, prevent abrasive debris, improve compressor sealing performance and extend the service life of air conditioning systems.
Our silicon carbide tube brushes are ideal for manual deburring of internal passages of hydraulic valve bodies. Effectively removes cross‑hole burrs and sharp edges inside complex flow channels. Suitable for small‑batch production, repair and trial‑run workpieces. Consistent abrasive performance, easy handheld operation, helps achieve clean inner surfaces without damaging critical dimensional tolerances.
Silicon carbide tube brushes deliver reliable deburring for internal and external splines. It efficiently clears burrs, sharp flash and residual machining marks on spline teeth. Well‑suited for both manual and semi‑automated processing. Uniform abrasive grit ensures consistent surface finish, while avoiding over‑cutting and protecting spline profile tolerance. Perfect for gear, transmission and hydraulic component finishing.
Silicon carbide tube brushes are well‑matched for deburring cast iron components. They efficiently clear casting burrs, sand residues and sharp edges on inner holes and internal channels. High wear‑resistant silicon carbide abrasive handles hard cast‑iron material steadily. Available for manual and CNC automated use, achieving clean surface without scratching base workpiece. Ideal for pump housings, valve castings and hydraulic cast parts.
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