ST90Pro3229 Mobile Stage Trailer | New Hydraulic Folding Gooseneck Design

ST90Pro3229 Mobile Stage Trailer | New Hydraulic Folding Gooseneck Design A smarter design for easier transportation. The SINOSWAN ST90Pro3229 mobile stage trailer features a new hydraulic folding gooseneck structure, allowing the front section to fold upward during transport and storage, helping save space and improve flexibility. Designed for concerts, festivals, church events, public gatherings, and outdoor activities, the ST90Pro3229 delivers a professional stage solution with fast deployment, strong stability, and efficient operation. Key specifications: ✅ transport size: 32.81 × 7.71 × 8.43 ft ✅ stage size: 32.12 × 29.3 ft ✅ ceiling height: 17.06 ft Built for the USA market and professional outdoor events. SINOSWAN — Make Outdoor Events Grander, Quicker, and Safer. #SINOSWAN #ST90Pro3229 #mobilestage #stagetrailer #hydraulicstage #outdoorevents #concertstage #festivalstage #churchevent #eventsolution #mobileeventplatform