Liangshan, Shandong — July 31, 2026 — Shandong Enxin Automobile Trading Co., Ltd. (enxinautomobile.com), a specialized semi-trailer manufacturer based in Liangshan — China’s recognized trailer manufacturing base — welcomed a key overseas client for an on-site factory inspection and procurement negotiation this week.
The visit covered ENXIN’s full production workflow for flatbed semi-trailers and lowbed semi-trailers — from raw material staging through welding, shot blasting, painting, final assembly, and pre-delivery inspection — giving the client a transparent view of this semi-trailer manufacturer’s quality control and build consistency.

Factory Floor: Heavy-Duty Transport Built to Spec
During the tour, ENXIN’s production team walked the client through each manufacturing stage. Key checkpoints included:
Frame welding
- using Q345B structural steel with submerged arc welding for longitudinal I-beams
Anti-corrosion treatment
- via automated shot blasting followed by two-coat alkyd painting
Running gear configuration
- with FUWA / BPW
trailer axle
options and mechanical or air-ride suspension
Load testing
- on completed flatbed semi-trailers and lowbed semi-trailers before release
The client, who operates a growing heavy-duty transport fleet in their home market, focused particular attention on ENXIN’s 3-axle flatbed semi-trailer and lowbed semi-trailer series — evaluating deck thickness, side beam reinforcement, twist locks, and container lock configurations against local regulatory and operational requirements.
“Gratitude to Our Clients, Integrity Across the World” — the motto displayed in ENXIN’s headquarters lobby — reflects the company’s approach to every partnership.
Procurement Talks: Custom Specs & Delivery Timeline
Following the factory tour, both parties held a detailed technical review. ENXIN’s engineering team addressed questions on:
- Custom frame dimensions and axle spacing for regional road-weight regulations
- Containerized shipping logistics from Qingdao Port to the client’s destination
- After-sales parts availability and warranty terms on structural components
By the end of the session, the two sides reached preliminary agreement on a trial order covering multiple semi-trailer configurations, with delivery timelines and payment terms drafted for final confirmation.
Related: ENXIN Flatbed Semi-Trailer Specifications · Lowbed Semi-Trailer Series · Contact ENXIN
About Shandong Enxin Automobile Trading Co., Ltd.
Shandong Enxin Automobile Trading Co., Ltd. (enxinautomobile.com) operates from Liangshan County, Shandong Province — China’s recognized semi-trailer manufacturing base. The company designs, manufactures, and exports a full range of heavy-duty transport trailers, including:
| Category | Key Models |
| Flatbed Semi-Trailer | 2-axle, 3-axle flatbed / drop-side / stake-side |
| Lowbed Semi-Trailer | Gooseneck, hydraulic detachable, extendable |
| Fence / Grain Semi-Trailer | Mesh-side, drop-side barn type |
| Container Chassis | 20ft, 40ft, 45ft skeletal / flat-rack compatible |
| Sidewall Semi-Trailer | Van-type, curtainsider |
All trailers are built on Q345B or optional high-tensile steel mainframes, fitted with globally recognized axles, suspension, landing gear, and braking systems to meet diverse market homologation requirements.
→ Request a Quote or Schedule a Factory Visit
ENXIN management with the visiting overseas client. Background calligraphy: “Gratitude to Clients, Integrity Across the World.”
FAQ — ENXIN Semi-Trailer Factory Visit
Can overseas buyers visit the ENXIN semi-trailer factory? Yes. ENXIN welcomes factory visits from international clients. You can inspect the full production line — welding, painting, assembly, and testing — and discuss custom semi-trailer configurations with our engineering team. Contact us to schedule your visit.
What semi-trailer types does ENXIN manufacture? ENXIN produces flatbed semi-trailers, lowbed semi-trailers, fence/grain semi-trailers, container chassis, and sidewall semi-trailers — all built on Q345B structural steel with FUWA/BPW axle options.
Where is the ENXIN factory located? ENXIN’s factory is in Liangshan County, Shandong Province — China’s recognized semi-trailer manufacturing base, with convenient container shipping access via Qingdao Port.


