Complete machinery exports
Project-led sourcing and export coordination for construction machinery.
- Excavators
- Bulldozers
- Auger drilling rigs
- Crawler cranes
Division 01 / Technical supply
Machines, chassis and undercarriage—matched to the work.
From complete equipment to model-matched wear parts, HUAMAOJI coordinates the operating requirement, manufacturing path and export scope.
Three connected levels
Specify the whole machine—or the exact part.
We support equipment buyers, owners, repair operations, contractors, importers and distributors at different points in the machinery lifecycle.
Engineering machinery chassis
Chassis assemblies discussed around machine type, operating conditions and interface requirements.
- Excavator chassis
- Bulldozer chassis
- Drilling-rig chassis
- Crawler-crane chassis
Undercarriage systems & parts
Model-matched wear parts and complete track systems for maintenance and distribution programs.
- Track & carrier rollers
- Idlers
- Sprockets & segments
- Track chains & groups
- Shoes & pads
- Recoil & tensioner assemblies
Application families
Excavator. Bulldozer.
Auger rig. Crawler crane.
Share the manufacturer, machine model, serial information, dimensions, photographs or intended operating conditions. Availability and exact configuration are confirmed for each project.
Buyer guides & product families
Go deeper into machinery requirements.
Each page owns one buyer task and explains the inputs needed for a useful compatibility, configuration or sourcing review.
Excavator & Bulldozer Undercarriage Parts
Source model-matched track rollers, carrier rollers, idlers, sprockets, track chains, shoes and tensioner assemblies for crawler equipment.
Open buyer guide →Track Rollers & Carrier Rollers for Crawler Equipment
Model-matched bottom rollers, track rollers and carrier rollers for excavators, bulldozers and other crawler undercarriages.
Open buyer guide →Excavator Track Chains & Link Assemblies
Source track links, sealed and lubricated chain assemblies, track groups and compatible shoes for excavators and crawler machinery.
Open buyer guide →Sprockets & Idlers for Crawler Undercarriages
Model-matched drive sprockets, segments and front idlers for excavators, bulldozers, crawler cranes and drilling-rig undercarriages.
Open buyer guide →Construction references
Products, production and shipment evidence.
Reference imagery demonstrates available capability and configuration directions; it does not imply every item is held in stock.
Useful starting information
Model details reduce guesswork.
- Machine brand and model
- Part name or required assembly
- Part number, drawing or dimensions
- Quantity and destination
- Operating environment
- Required delivery scope