
Adapter
Load transmission between axle box and bogie frame.
Longtie delivers drawing-based OEM/ODM production for coupler systems, bogie parts, brake components, and heavy-duty castings, with stable quality control and export-ready documentation.
Service Model
OEM / ODM
Production Basis
Drawing & Sample
Inspection
In-process + Final QC
Response Time
Within 24 Hours
Process & Capability
Hot Models Quick Access

Load transmission between axle box and bogie frame.

Prevent accidental unlocking of coupler lock.

Positioning and guiding of wheelset axle box.

Limit door opening and anti-collision buffering.

Component limiting and protection.

Friction side bearing between car body and bogie.

Center support and rotation of bogie.

Center rotation support for Type K5 bogie.
Step 1
We review drawings, specs, material grade, and usage conditions before quotation.
Step 2
You receive a structured quote with lead time, MOQ guidance, and process notes.
Step 3
Sample or pilot production is arranged for dimensional and fitment confirmation.
Step 4
Batch production with QC records, packing control, and export shipment support.





Send part name, annual demand, drawings/specification, and destination market. Our team will reply with a practical quotation plan.