Precision Fabrication of Trailer Components and Assemblies
Rugged, Load-Bearing Fabrication for Transport and Specialized Trailers
Openex is a trusted partner in the fabrication of high-performance trailer components engineered for structural integrity, weight optimization, and longevity under extreme operational stress. We support OEMs and upfitters across transport, agriculture, construction, and defense sectors with precision-built, load-rated trailer frames and parts.
With decades of experience in heavy plate cutting, robotic welding, multi-axis machining, and coating, our facility is equipped to handle both standard and specialty trailer designs. Whether you're building flatbeds, tankers, military haulers, or mining trailers, Openex delivers scalable, certified metal fabrication to match your project scope.
Comprehensive Trailer Part Solutions
- High-strength steel mainframes, subframes, and goosenecks
- Upper couplers, fifth-wheel kingpins, and load plates
- Axle brackets, torsion hangers, spring seats, and suspension systems
- Landing gear structures and mechanical assemblies
- Ramp systems, outriggers, and tool storage modules
- Side rails, bumper beams, stake pockets, and guard rails
- Hydraulic component housings and chassis integration points
Fabrication Capabilities at Openex
- Heavy-plate forming: 3,000-ton CNC press brakes up to 15 meters, 100 mm thick
- Multi-process welding: Manual MIG/TIG and automated SAW/robotic welding
- Precision machining: Drilling, tapping, boring, milling on large-format CNC centers
- Thermal & mechanical cutting: Laser, plasma, flame, and band saw
- Coatings: Powder coating, hot-dip galvanizing, epoxy painting, blasting
- Mechanical & bolted assemblies: Trailer module assembly, component fit-up, fastener installation
Materials and Metal Grades
- HSLA steel (ASTM A572, A514, Q550/Q690)
- Structural carbon steel (A36, Q345B, S355JR)
- Stainless steel (304/316) for corrosion-sensitive parts
- Aluminum (5052, 6061, 5083) for lightweight trailers
Industries We Serve
- Heavy haulage and lowboy trailer manufacturers
- Tankers and bulk haulers (fuel, dry goods, cement)
- Farm and agricultural trailer OEMs
- Mining, forestry, and logging trailer producers
- Defense contractors and off-road hauler platforms
Why Partner with Openex?
- Fabrication of ultra-heavy parts up to 250 tons per assembly
- Engineering support for trailer frame optimization and stress control
- ASME/AWS-certified welders and automated QA scanning
- Scalable production with flexible batch sizes and JIT delivery
Request a Quote
Reach out to Openex for trailer component fabrication services that combine precision engineering, advanced processing, and field-proven reliability.
📧 Email: [email protected]
📞 Phone: +86 186 5928 0806
