with 70m Jib Length Tower Crane China 7030 Construction Tower Crane for Sale

with 70m Jib Length Tower Crane China 7030 Construction Tower Crane for Sale. Wide Model Range: Available models from QTZ31.5 to QTZ315 with jib lengths up to 70m and loads up to 18t. High Efficiency Design: Features hydraulic self-raising mechanism, good speed-control capacity, and high work efficiency. Stable Structure: Wide standard segment sections with deep CO2 welding ensure rigidity and stability during operation. Reliable Electrical System: Equipped with domestic high-quality or imported parts for stable and reliable performance. Versatile Application: Suitable for high-rise hotels, residential buildings, large-span factories, and tall chimneys. Smooth Operation: Slewing and hoisting mechanisms designed for smooth starting, lifting, and declining. Comprehensive Warranty: Includes a 1-year warranty and after-sales service for all tower crane units. Global Certification: Products certified with CE and ISO9001:2000 standards for quality assurance.