HUAYU Technical Team
The HUAYU Technical Team authors every technical article on this blog. We are a group of 25trailer engineers based at HUAYU's Liangshan factory in Shandong, China, with an average of 20+ years of manufacturing experience per engineer.
Team Lead
Karry Liu, Chief Engineer
Karry leads HUAYU's technical editorial team, overseeing the engineering review of every article on this blog. His specialty areas include fuel and chemical tanker design, multi-axle suspension engineering, and export-grade trailer compliance across DOT, ADR, and GB standards. Karry coordinates the team's editorial workflow and ensures every published article reflects current HUAYU factory practice and the regulatory frameworks that govern our export markets.
- Semi-trailer manufacturing
- Fuel and chemical tanker engineering
- Low-bed and modular trailer design
- Export-grade trailer compliance (DOT, ADR, GB)
What We Specialize In
- Semi-trailer manufacturing and export
- DOT 406 / 407 / 412 fuel and chemical tanker compliance
- MC-331 LPG and MC-338 cryogenic pressure vessel design
- Q345B and 5454-H32 aluminum tanker fabrication
- Air suspension and mechanical leaf suspension engineering
- Multi-axle low-bed trailer hydraulics
- Bulk cement pneumatic discharge systems
- ADR, ECE, GB 18564, FMVSS regulatory compliance
- Export logistics from Qingdao port to Africa, Southeast Asia, Middle East, Central Asia, South America
Certifications We Hold
- ✓ISO 9001:2015 Quality Management Certification
- ✓China Compulsory Certification (3C) — 100+ trailer models
- ✓NDRC Approved Manufacturer License
Editorial Process
Every article on this blog goes through four steps before publication:
- 1Drafted by an engineer working in the relevant product line — fuel tanker, low-bed, tipper, cement bulker, or flatbed
- 2Reviewed by Karry Liu and the senior engineering team for technical accuracy
- 3Cross-checked against current regulatory standards (DOT, ADR, GB, ECE) for the article's target export markets
- 4Updated when regulations change, factory specifications evolve, or new product variants ship
Have a question for the team?
We respond to engineering and specification questions within one working day.
admin@huayuvehicle.com · +8613963459838
Published by Shandong HUAYU Vehicle Co., Ltd.. Last reviewed 2026-05-11.