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Patent Certificate for Load-Carrying Connection Recess with Uniform Load Distribution

Patent Certificate for Load-Carrying Connection Recess with Uniform Load Distribution

Patent Certificate for a Gooseneck Semi-Trailer with Adjustable-Height Steel Plate Spring Suspension

Patent Certificate for a Gooseneck Semi-Trailer with Adjustable-Height Steel Plate Spring Suspension

Patent Certificate for the Shenjun Hydraulic Trailer Load Analysis Software

Patent Certificate for the Shenjun Hydraulic Trailer Load Analysis Software

Semi-trailer Design Verification Software Patent Certificate

Semi-trailer Design Verification Software Patent Certificate

Patent Certificate for Combined Bridge-Type Connecting Recesses for Hydraulic Trailers

Patent Certificate for Combined Bridge-Type Connecting Recesses for Hydraulic Trailers

Patent Certificate for a Lifting Low-Flat Semi-Trailer

Patent Certificate for a Lifting Low-Flat Semi-Trailer

Invention Patent Certificate for the Automatic Welding Machine for Gooseneck Beams

Invention Patent Certificate for the Automatic Welding Machine for Gooseneck Beams

Patent Certificate for a Wheel-Steering Semi-Trailer Steering Device

Patent Certificate for a Wheel-Steering Semi-Trailer Steering Device

Patent Certificate for Bolt-Connected Load-Supporting Balance Beam Semi-Trailer

Patent Certificate for Bolt-Connected Load-Supporting Balance Beam Semi-Trailer

Patent Certificate for a Semi-Trailer Steering Device

Patent Certificate for a Semi-Trailer Steering Device

Patent Certificate for a Modular Hydraulic Semi-Trailer Designed to Increase the Load-Carrying Capacity of Connection Recesses

Patent Certificate for a Modular Hydraulic Semi-Trailer Designed to Increase the Load-Carrying Capacity of Connection Recesses

Patent Certificate for a Bridge-Type Transport Frame with Automatic Following and Steering Function

Patent Certificate for a Bridge-Type Transport Frame with Automatic Following and Steering Function

Patent Certificate for a Combined Hydraulic Suspension Trailer with Auxiliary Drive Function

Patent Certificate for a Combined Hydraulic Suspension Trailer with Auxiliary Drive Function

Patent Certificate for the Automatic Welding Machine for Gooseneck Beams

Patent Certificate for the Automatic Welding Machine for Gooseneck Beams

Patent Certificate for an Ultra-Low Semi-Trailer Axle Steering Device

Patent Certificate for an Ultra-Low Semi-Trailer Axle Steering Device

Patent Certificate for the Milling Machine Used in Machining the Connection Surface of Large Slewing Bearing Mounting Seats

Patent Certificate for the Milling Machine Used in Machining the Connection Surface of Large Slewing Bearing Mounting Seats

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