Members are numbered, bundled and container-loaded with erection drawings. Our engineers can guide installation on site.
Clear-span storage
Crane-ready factories
Offices, malls, schools
Power plant & solar
WHY BUYERS CHOOSE TRIGHERO
We have been building steel structures since 2002, from chemical pipe racks in Shanghai to warehouses in Gabon and roof trusses in Tonga. These six things keep projects on budget:
Grade II national steel structure contracting qualification
ISO 9001 quality system and GB/T 50430 certification
Q235B / Q355B steel with mill certificates
Bolted or welded connections, painted or hot-dip galvanized
Typical lead time 35–45 days after drawing approval
Free layout design and quotation within 48 hours
QUALITY CONTROL
Checked before it ships
EVERY BEAM
Weld seams, hole positions and coating thickness are inspected against the shop drawings before packing.
QUALITY YOU CAN VERIFY
Ask for mill test certificates, weld inspection records and coating reports with any order. Our factory holds 10+ utility model patents for steel structure connections and fabrication methods.
Raw steel traced to mill certificates
Automatic submerged-arc welding for main members
Shot blasting to Sa2.5 before painting
Pre-assembly checks for complex connections
Third-party inspection welcome (SGS, BV, TÜV)
Photo and video report before loading
LET'S BUILD TOGETHER
From a 500 m² storage shed to a 30,000 m² factory complex, we size the frame to your span, height and crane load, then ship the complete kit: frame, purlins, roof and wall cladding, doors, windows and bolts.