
Price of Tower Crane Construction Machinery 4ton Mini Tower Crane for Sale. Comprehensive Certifications: Certified with GS, CE, and ISO9001 for global safety and quality standards. Customizable Color: Color can be customized according to customer requirements. One-Year Warranty: Includes a one-year warranty for the entire machine with free quick-wear parts. High Efficiency Operation: Features three-speed motor and mono-speed ratio decelerator for heavy and light load efficiency. Versatile Applications: Suitable for infrastructure, high-speed rail, oil fields, ports, and nuclear power projects. Advanced Safety Devices: Equipped with complete safety devices including moment-limiting hydraulic coupler. OEM Service Available: OEM services are provided to meet specific client branding and customization needs. Global Engineer Support: Exclusive engineer support available at any time with on-site service in select regions.