Resources

Support, Knowledge and Videos

Find technical support, buying knowledge and ZONHAN product videos in one resource center.

Resources

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Switch between support notes, knowledge guides and videos. Each card follows a standard format so buyers can scan useful information quickly.

Support

Configuration Support June 29, 2026

Trailer Configuration Support Checklist

Use this checklist to confirm trailer type, payload, axle, suspension and tire before requesting a quotation.

Key Points

Payload and cargo type
Road condition and destination country
Axle, suspension and tire requirement

Illustration of support export documents

Export Documents June 29, 2026

Export Document Support for Semi Trailer Orders

Common documents and communication points for semi trailer export orders.

Key Points

Commercial invoice and packing list
Shipping and loading information
Certificate and clearance communication

Illustration of support after sales parts

After-Sales Support June 29, 2026

After-Sales Parts and Maintenance Support

Basic after-sales support process for trailer parts, maintenance and repeat orders.

Key Points

Spare parts confirmation
Maintenance guidance
Repeat order technical record

Knowledge

Buying Guide June 29, 2026

How to Choose a Low Bed Semi Trailer

A practical guide for comparing loading capacity, axle quantity, ramp type and chassis strength.

Key Points

Loading capacity
Ramp and platform structure
Axle and suspension options

Illustration of knowledge flatbed loading

Operation Knowledge June 29, 2026

Flatbed Semi Trailer Loading Knowledge

Key points for cargo loading, container transport and side wall/stake configuration.

Key Points

Cargo size and weight
Twist lock or side wall option
Road and port requirements

Illustration of knowledge dump hydraulics

Maintenance Tips June 29, 2026

Dump Semi Trailer Hydraulic System Tips

Basic knowledge for hydraulic cylinder, lifting system and chassis inspection.

Key Points

Hydraulic cylinder inspection
Lifting angle and box structure
Regular maintenance plan

Video

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Video

Factory Tour Video

Show production line, welding, painting and finished trailer inspection.

Key Points

Factory overview
Production process
Quality inspection

Video

Product Demonstration Video

Show trailer structure, ramp, hydraulic system and working details.

Key Points

Product display
Functional details
Application scenario

Video

Loading and Delivery Video

Show export loading, container/RO-RO preparation and delivery process.

Key Points

Loading process
Export packing
Delivery record