Your Trusted Partner in Gear Manufacturing
Whether you need standard gears or custom-engineered solutions, Foshan Nanhai Lianyi Gear Factory is here to deliver precision, reliability, and exceptional service.
Why Choose Lianyi Gear Factory?
Since 1989
36+ Years of specialized gear manufacturing.
Engineer-to-Engineer Collaboration – Our technical team works directly with your designers to optimize performance.
Industry-Specific Knowledge – Deep understanding of marine, mining, and heavy machinery requirements
Precision Gears
Gears with diameters up to 3.2 meters and precision levels up to Grade 5.
CNC gear grinding machines (Consistent accuracy within 5μm) Gear hobbing machines (Including YQ31315, Y320 models with 10,000+ operating hours) Vertical lathes (Proven capacity for gears up to 3.2 meters diameter) Dedicated heat treatment systems (Computer-controlled tempering) Metrology lab (With CMMs and gear testers for 100% inspection)
Ensure consistent quality
Our workshop features well-maintained production lines that have consistently delivered precision gears since 1989. We prioritize equipment reliability over chasing the latest trends, with machinery that's proven through millions of operational hours.
Machinery
CNC gear grinders (Reishauer/KAPP)
Gleason spiral bevel gear cutters
Material Control
Certified alloy steels (42CrMo4, 20CrMnTi)
Forging-to-finish traceability
Inspection Protocol
100% dimensional checks
Load testing for critical applications.
Design Flexibility
Reverse engineering from worn samples
Tooth profile optimization (crowning, tip relief)
Material Options
Standard alloy steels
Corrosion-resistant stainless/bronze
Non-sparking alloys for hazardous areas.
End-to-End Service
Heat treatment (case hardening, tempering)Surface coatings (nitriding, DLC) Gearbox assembly available
Industries Served
Marine: Classification society-approved gears (ABS, DNV)
Mining: Impact-resistant gear sets for crushers
Energy: Precision gears for wind turbine gearboxes
Infrastructure: Custom solutions for bridge machinery
Export Experience
Packing to withstand sea freight
Documentation for customs clearance
Our Products
Spur Gears, Helical Gears, Bevel Gears,Herringbone gears,Worm Gears,Custom others Gear
Our products are trusted in industries such as shipbuilding, construction, mining, cement, and more.
Reliable Production Equipment
Our workshop features well-maintained production lines that have consistently delivered precision gears since 1989. We prioritize equipment reliability over chasing the latest trends, with machinery that's proven through millions of operational hours.
Proven Manufacturing Equipment
Our workshop runs precision-tested machinery that has consistently produced reliable gears
- CNC gear grinding machines (Consistent accuracy within 5μm)
- Gear hobbing machines (Including YQ31315, Y320 models with 10,000+ operating hours)
- Vertical lathes (Proven capacity for gears up to 3.2 meters diameter)
- Dedicated heat treatment systems (Computer-controlled tempering)
- Metrology lab (With CMMs and gear testers for 100% inspection)
Custom Solutions
We specialize in custom gear manufacturing, offering:
- Gears with diameters up to 3.2 meters
- Modules ranging from 1-40MM
- Precision levels up to Grade 5 for critical applications
