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Inside Tianyuan

Where cranes are cut, welded and lifted into life.

A 60,000 m² integrated facility in Xinxiang, Henan — steel plate arrives at one end, load-tested cranes leave at the other.

Production Flow

Six stages. One shop floor.

01
Steel Preparation

Q345B/Q235B plate is CNC-cut, edge-milled and beveled to design tolerance before entering the girder line.

02
Girder Welding

Six automated submerged-arc welding lines fabricate box girders under continuous ultrasonic inspection.

03
Machining & Assembly

End carriages, drums, wheels and gearboxes are CNC-machined in-house and pre-assembled.

04
Sand-Blast & Paint

Sa 2.5 sand-blasting followed by two-pack epoxy primer and polyurethane top-coat in enclosed booths.

05
Trial Assembly

Every crane is trial-assembled on the plant runway and load-tested to 125% of rated capacity.

06
Packing & Dispatch

Modular knock-down packing with wax-coated joints — ready for sea, rail or road export.

Factory Gallery

Every photo taken inside our plant.

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Quality Discipline

Nothing leaves without a load test.

  • Ultrasonic weld inspection on every girder
  • Dimensional check with laser tracker
  • 125% dynamic + static load test
  • Third-party inspection (SGS, BV, TÜV) welcome
  • Full documentation pack shipped with every crane
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