Trailer couplers, stamped brackets and rubber mounts — press-formed, welded and assembled in four plants.
A 15-year coupler specialist across four manufacturing bases
Request a QuotationOperated by an ALWID audited manufacturing partner — Ningbo, Zhejiang

Press and stamping shop — coupler channels and brackets formed in-house on a rolling schedule
Two dedicated workshops — a stamping shop for coupler channels, A-frames and brackets, plus a rubber workshop for mounts and buffers. Couplers from 2,000 up to 30,000 lbs gross capacity.
Four advanced manufacturing facilities totalling 50,000 m², and a new 180,000 ft² plant now opening in Thailand (2025) — capacity that grows with your programme, not ahead of it.
An 8,000 ft² finished-goods warehouse with superior logistics systems and precise production planning — exceptional control over delivery lead times and sale-ready condition at every dispatch.
ISO 9001:2015 certified manufacturing and a 98% quality pass rate. Product liability cover of USD 2M aggregate backs every shipment. 90% of output goes to international customers.
Jacks, jockey wheels and clamps from the same four plants.

Trailer jacks — Tubular, swivel and drop-leg formats

Jockey wheels — Clamp-on and bolt-on, swing-up brackets

Jockey wheel clamps — Heavy-duty four-bolt clamp assemblies

Fitted on the drawbar — Straight coupler installed on a customer trailer

Ready for the road — Jockey wheel and safety chains on the drawbar

Straight couplers — Ball 1-7/8 in and 2 in · Capacity 2,000 to 3,500 lbs · Finish black, zinc or oil

A-frame couplers — Ball 2 in · Capacity 5,000 to 7,000 lbs · SAE Class 3 and Class 4

Adjustable couplers — Ball 2 in and 2-5/16 in · Capacity 7,000 to 15,000 lbs · Finish black or oil
JY-TC series part numbers, dimensions and finish options are available on request.
Inspection built into the press lines — every lot checked before it is packed.

Test rig — coupler assemblies loaded in a guarded cell

Press line one — coupler channels pressed and checked in-cycle

Press line two — A-frames and brackets checked at the machine
Germany · Poland · Italy · India · Singapore · Australia
Japan · South Korea · Canada · USA · Mexico · Chile
Serving customers in over 80 countries and regions worldwide through the ALWID programme.
Ball size, capacity and channel; a sample coupler works too
Yearly quantity — pricing scales with committed volume
Destination market and finish — black, zinc or oil
Feasibility answer within 5 working days · NDA available before you share drawings
Brake calipers, steering knuckles, hub units, drums and hardware kits — 1,000+ assemblies and 3,800+ applications machined and assembled in Weifang, Shandong.
Next ›Chassis & Suspension · Zhuji, ZhejiangSteering oil pumps, electro-hydraulic steering and new-energy motor pumps — from the works that lead the category.
Send the drawing or the sample — our programme manager handles tooling, samples and delivery.
English project management · Rubber and stamping in one order · Export packing included