Direct supply line engineered for heavy urban lifting, high cycle frequency, and seismic rack stability required across the Northern California region.
Twin cage 2x2000kg load rating, frequency drive control, optimised for tight street-level footprints in SoMa and Downtown developments.
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Reinforced hot-dip galvanised mast sections designed for severe coastal fog corrosion resistance and continuous vertical transport duty cycles.
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Variable speed configuration up to 63m/min, energy regenerating drives suitable for commercial high-rises and healthcare facility expansion.
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Original high-tensile steel cages, advanced overload display, and intelligent interlock mechanisms tested to rigorous safety criteria.
Cheap XCMG SC200/200 YOM 2019-2023 Manufacturers, SuppliersStrategic deployment of certified secondary lifting equipment to address the Bay Area's unique geographic and economic challenges.
With San Francisco labor and general contracting rates ranked among the highest in North America, procuring certified late-model used equipment slashes preliminary operational expenditure without compromising crane structural capacity.
Projects across the Financial District, South of Market (SoMa), and Mission Bay face limited street frontage. Modular SC200/200 rack-and-pinion towers allow precise vertical staging where mobile hydraulic cranes cannot remain parked.
San Francisco falls within high-risk Seismic Design Categories (E & F). Our exported hoists are verified for mast section metallurgical stability, wall-tie deflection tolerance, and dynamic load-arrest under sudden ground acceleration.
Navigating California Division of Occupational Safety and Health (Cal/OSHA) requirements for imported second-hand vertical access systems.
Deploying a used construction hoist in San Francisco requires compliance with California Code of Regulations, Title 8, Section 1604 (Construction Hoists). Unlike ordinary jurisdictions, the State of California enforces stringent inspection mandates on structural safety, limit switches, landing gates, and emergency braking systems before issuing an Operating Permit.
Every unit supplied by our factory undergoes extensive Non-Destructive Testing (NDT), focusing on critical tension welds across mast tie-ins, drive plate chassis, and cage suspension arms. Ultrasonic flaw detection and magnetic particle testing certificates are documented in clear English dossiers to facilitate rapid clearance by California Certified Crane & Hoist Surveyors.
The core of hoist life-safety lies in the centrifugal progressive safety brake. We supply genuine SAJ40/SAJ50 devices that undergo mandatory dynamic drop testing prior to disassembly. We provide calibrated bench test reports detailing tripping speed, braking distance, and torque retention, allowing San Francisco general contractors to present verified safety records during Cal/OSHA on-site audits.
| Component Verification | Standard Export Condition | Zhongqiang Refurbished Spec for San Francisco | Regulatory Reference |
|---|---|---|---|
| Mast Section Geometry | Visual check, dimensional tolerance | Laser-measured squareness, 100% bolt-hole alignment, anti-fatigue NDT | ANSI A10.4 / Cal/OSHA §1604.5 |
| Rack & Pinion Wear | Module depth measured <2.5mm wear | Original OEM modulus 8 gear racks checked with micrometric gear tooth calipers (<1.0mm wear) | AGMA Class 8 Industrial Spec |
| Fall Arrest Device | Valid factory certificate | Disassembled, recalibrated, bench tested, and issued with 1-year test dossier | EN 12158 / Cal/OSHA §1604.11 |
| Electrical & Limit Array | Basic relay functional run | Schneider/ABB IP55 controls, dual-switch ultimate limiters, ground-fault interrupters | NFPA 70 / NEC Class I Div II |
| Corrosion Resistance | Commercial touch-up enamel | Hot-dip galvanised frame or 240μm epoxy coastal protection for SF marine air | ISO 12944 C4 Heavy Marine Env |
Our centralized 30+ acre refurbishment facility in Jiangsu, China, bridges the gap between top-tier manufacturing hubs (DAHAN, XCMG, Zoomlion, Tewei) and American construction operations. By leveraging dedicated ocean routes from Shanghai or Qingdao straight into the Port of Oakland, our logistics streamline San Francisco Bay deliveries within 18–24 transit days. Each hoist is flat-packed into standard 40-foot High Cube (40HC) containers, with numbered components, anti-abrasion wood blocking, and desiccants to resist ocean salt-mist during transpacific shipping.
Our engineers provide tie-in structural drawings, foundation slab loading calculations, and Cal/OSHA compliance documentation before shipment.
Send Inquiry NowSelect from our complete range of certified second-hand construction hoists, flat-top cranes, and hammerhead units ready for immediate packing and export.
6-ton rated capacity, 60m jib with 1.3-ton tip load. Complete standard mast sections suited for mid-rise Bay Area residential builds.
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Proven high-tensile steel mast sections with hot-dip galvanized finish, variable speed inverter drive, certified overload limiters.
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Heavy duty structural chassis with reinforced base frame and safety enclosures, calibrated for fast site assembly in congested zones.
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12-ton heavy lifter with 70m working radius and 2.0-ton tip capacity, suitable for steel structure assembly and institutional projects.
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Equipped with original SAJ safety brakes, interlocking floor access doors, and energy-efficient dynamic braking units.
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Modular design allowing flexible tie-in intervals up to 9 meters, reduced anchoring stress for post-tensioned concrete slab systems.
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Engineered for high-density crane overlapping zones, frequency slewing control, and high free-standing heights.
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10-ton top tier workhorse with 70m reach and 1.5-ton tip load, optimal for restricted vertical clearance near SFO flight approach corridors.
Wholesale YONGMAO STT153 7015-10 YOM 2019-2023 Manufacturers, ExportersDirect answers for project managers, fleet directors, and procurement teams looking to import certified lifting machinery.
Every hoist undergoes full electrical refitting to 480V 60Hz 3-phase North American standards, with safety drop-test certifications, non-destructive weld reports, and dual-mechanical limit switch protections explicitly demanded by California job site safety auditors.
Standard ocean transit from East China ports to the Port of Oakland is approximately 18 to 24 days. With export customs clearance and packing, typical door-to-jobsite delivery spans 30 to 40 days, compared to 6-9 months for brand-new US domestic units.
We pack an emergency maintenance package with every unit, including spare guide rollers, drive pinions, brake linings, and limit switches. Additional components are readily interchangeable with standard global rack-and-pinion parts available throughout Northern California.
Yes. We welcome third-party international inspection agencies (such as SGS, Bureau Veritas, or TÜV) to our Jiangsu yard. We also provide high-resolution live video inspection runs showing no-load and full-load operation, current draw, and brake functionality before loading.
