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Precision Bearing Solutions from China

Professional manufacturer of bronze bushings, powder metallurgy parts, gears, and self-lubricating bearings. Supporting custom designs with advanced sintering technology and global delivery.

About Welfine Bearing

Jiande Welfine Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D, production, and sales of bearing bushings, powder metallurgy parts, and precision gears. We integrate sintering molding and advanced machining to deliver high-precision components trusted across industries.

  • ISO9001:2015 & IATF16949:2016 Certified
  • 20+ High-Efficiency Presses & 4 Sintering Furnaces
  • Custom Drawing & OEM/ODM Support
  • Global Distribution to 50+ Countries
Factory Equipment Precision Parts Laboratory Testing Product Close-up

Advanced Production Process

We utilize cutting-edge powder metallurgy techniques and precision machining to ensure consistent quality and performance.

Sintering Technology

4 high-temperature sintering furnaces ensure uniform density and mechanical strength in every component.

High-Efficiency Pressing

20 advanced presses with thousands of precision molds enable high-volume production with tight tolerances.

Precision Machining

15 shaping machines, grinders, and lathes ensure final dimensions meet exact specifications.

Our Product Range

Explore our comprehensive selection of high-performance bearing bushings and powder metallurgy components.

Graphite Bronze Bushing

Graphite Bronze Bushing

Bronze alloy impregnated with graphite for self-lubrication. Ideal for high-load, low-speed applications.

Self-Lubricating
Sintered Copper Bearing

Sintered Copper Bearing

Made from pure copper powder using sintering process. Excellent thermal conductivity and corrosion resistance.

High Conductivity
Phosphor Bronze Bush

Phosphor Bronze Bush

High-strength alloy with excellent wear resistance and fatigue strength. Meets international standards.

High Precision
Premium Bronze Bushes

Premium Bronze Bushes

Precision-engineered from high-quality bronze alloys for superior performance in rotating systems.

Customizable
Bronze Sleeve Bearings

Bronze Sleeve Bearings

Cylindrical bearings made from high-quality bronze, widely used in industrial and automotive applications.

Durable
Self Lubricating Bushings

Self Lubricating Bushings

Embedded solid lubricant ensures continuous performance without external oiling. Reduces maintenance.

Maintenance-Free
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Oilite Bushing

Porous bronze structure retains oil for continuous lubrication. Perfect for hard-to-reach applications.

Oil-Retaining
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Sintered Bronze Flanged Bearing

Flanged design provides axial location and easy installation. Ideal for housing-mounted applications.

Flanged Type
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Bronze Round Flange Bushing

Round flange design for secure mounting and alignment. Used in motors, pumps, and gearboxes.

Mounting Ready
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Graphite Filled Bronze Bushes

Enhanced lubrication with distributed graphite particles. Suitable for dry-running environments.

Dry Running
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Press-Fit Bushings

Designed for interference fit installation. Ensures secure positioning without additional fasteners.

Easy Install
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Threaded Bushings

Internal or external threads for direct assembly. Commonly used in adjustable mechanisms.

Threaded

Why Choose Welfine Bearing?

Certified Quality

ISO9001:2015 & IATF16949:2016 certified manufacturing processes ensure consistent quality.

Technical Expertise

Experienced engineers and technicians support R&D, process optimization, and quality control.

High Production Capacity

20+ presses and 4 sintering furnaces enable large-scale production with fast turnaround.

Global Trust

Products widely used in automotive, aerospace, industrial equipment, and home appliances worldwide.

Industry Applications

Automotive

Aerospace

Industrial Equipment

Home Appliances

Hydraulic Equipment

Bicycle Gear

Get in Touch

Need custom bearing solutions or have technical questions? Contact us today.

Phone: +8615239857375

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