SANY Crane Height Limiter (Anti-Overwinding Switch)
Designed specifically for SANY and various types of lifting equipment, this is a core safety device to prevent hook overtravel and ensure construction safety.
Read MoreAnti-Two-Block Mobile Crane Sourcing in China: Manufacturer, Factory and Supplier Guide | Jiemanda
Anti-Two-Block Mobile Crane Sourcing in China: Manufacturer, Factory and Supplier Guide
Plan your OEM sourcing around application fit with Jiemanda’s China Anti-Two-Block Mobile Crane Manufacturer, Factory & Suppliers page. It helps procurement teams review relevant product options, technical questions, and customization points before contacting a supplier.
Use this page to build a focused shortlist for anti two block mobile crane requirements. Compare specifications, sample approval needs, packaging expectations, and order details so your RFQ is clear from the first message.
Hot Selling Product
XCMG XESA2B-CL15M
This device is a safety protection component designed for various lifting equipment. It uses a weight sensor to detect the hook position. When the hook rises to the preset height, it automatically cuts off the hoisting power circuit to prevent collision between the hook and the top of the boom (anti-two block/anti-overwinding), effectively protecting equipment and personnel safety. Built with industrial-grade protection, it withstands harsh outdoor working conditions of construction machinery and is a mandatory core component required by lifting machinery safety regulations.
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Zoomlion GJ-1 Anti-Overwinding Switch
The GJ-1 Anti-Overwinding Switch is a safety protection device designed specifically for engineering lifting equipment, primarily used in the hoisting mechanisms of mobile cranes, crawler cranes, and similar machinery. It triggers automatically when the hook reaches the preset upper limit position, cutting off the power supply to prevent equipment damage and safety accidents caused by wire rope overwinding. It is a core component for ensuring safe lifting operations.
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SANY Crane Height Limiter (ZN101W)
This product is the original factory-matched height limiter (anti-overwinding switch) for SANY truck cranes, specifically designed for safe crane operations. When the hook rises to the preset height, the device automatically cuts off the hoist’s lifting circuit and triggers an audible-visual alarm, preventing safety accidents such as hook overtravel and wire rope breakage. It is an indispensable safety protection device for lifting operations.
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Sany 25 Ton Crane Reel Box Control Board (Boom Cable Box ECU)
Key Advantages Direct OEM Replacement: Swaps perfectly with the original Sany part, no wiring modifications or additional setup required-install and go. Stable & Anti-Interference: Industrial-grade circuit board design resists vibration from boom movement and electromagnetic interference in harsh construction environments. Precise Data Transmission: Built-in high-accuracy signal processing module ensures boom length and angle data errors […]
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Raico Wireless Anti-Overwind Limit Switch
The Raico Wireless Anti-Overwind Limit Switch is a safety protection device specially designed for hoisting equipment such as truck cranes and mobile cranes. Adopting wireless transmission technology, it eliminates the need for complex wiring. When the hook rises to the preset limit height, it automatically cuts off power and triggers an alarm, effectively preventing hazards like steel wire rope overwinding and hook crashing. It is a core component to ensure the safety of hoisting operations.
Read MoreHow To Compare anti two block mobile crane Options
Anti-Two-Block Mobile Crane Product Guide
The related product list helps you compare China Anti-Two-Block Mobile Crane Manufacturer, Factory & Suppliers by actual product direction rather than keyword wording alone. Check whether each product supports OEM project planning, then use the table below to prepare a clearer RFQ.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Crane match | Boom type, hook path, duty cycle | Confirms application fit | Share crane model in RFQ |
| Signal interface | Voltage, relay, alarm output | Avoids OEM wiring changes | Request wiring diagram |
| Customization scope | Cable length, sensor housing, bracket | Supports project-specific install | List required options early |
| Sample approval | Test unit, drawings, inspection points | Reduces bulk order risk | Approve sample before PO |
| Export readiness | Packing, labels, documents, lead time | Helps factory planning | Confirm carton and marks |
How To Choose anti two block mobile crane Supplier
China Anti-Two-Block Mobile Crane Manufacturer, Factory & Suppliers should be evaluated by how well the product matches your crane application, installation conditions, customization needs, and approval process.
For OEM project planning, share the required function, target quantity, drawings or reference samples, packaging needs, and delivery expectations. This helps the supplier confirm feasibility and respond with more useful product guidance.
Start by defining where the anti two block mobile crane component will be used and what operating conditions it must support. Include crane type, installation position, connection method, and any size or performance limits that affect product selection.
Next, check the customization scope. Procurement managers should confirm whether dimensions, housing, wiring, mounting, labeling, documentation, and packaging can be adjusted for the OEM project. If samples are needed, ask what information is required for sample preparation and approval.
Before requesting pricing, prepare an RFQ with quantity range, destination, target lead time, preferred packaging, and inspection requirements. Clear order details help suppliers assess cost, production planning, and export preparation more accurately.
When comparing supplier replies, focus on application matching and communication quality. A useful supplier response should address your project details, clarify uncertain points, and help you decide which products belong on the final shortlist.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Crane application match | High | Checks fit to boom and hook travel. | Truck crane or crawler crane |
| Customization scope | High | Defines adaptable parts and limits. | Cable, bracket, connector |
| Sample approval path | High | Controls OEM validation steps. | Drawing review then test sample |
| Supplier communication | Medium | Affects RFQ clarity and revisions. | Fast technical question handling |
| Export packaging needs | Medium | Protects parts during transport. | Labeled cartons with cable protection |
Top Product Matches
Recommended Products
Top product matches should be reviewed by fit, specification clarity, customization readiness, and how well they support application matching. Use these factors to shortlist practical options before contacting the supplier.
Top Selling Product Selection Factors
Blog Articles / Reviews
Rapid Shipment of XCMG Truck Crane Parts to Long-Term Middle East Customer
We have completed the packaging of a batch of XCMG truck crane parts in our warehouse, and the goods will be shipped to a long-term cooperative customer in the Middle East market. The parts cover a variety of high-frequency consumables, including pulleys, cables, displays, headlights, controllers, sensors, A2B limiters, display button films, hydraulic sensors, displacement […]
Crane Fault Code E02 Meaning and Troubleshooting
Instructions The specific meaning of crane fault code E02 varies depending on the crane model and control system. The core meanings applicable to mainstream XCMG, Zoomlion, and Sany cranes are as follows: Core Meaning Classification Zoomlion and other models (related to the hoisting mechanism): Indicates overcurrent during hoisting acceleration. During the acceleration process of hoisting, […]
Crane Accessories Safety Inspection Guide
Crane accessories refer to the general term for various components of cranes. What are the commonly used crane accessories in daily operations? And how to conduct proper safety inspections on these accessories? Below is a detailed explanation to help ensure operational safety. Drum Focus on checking whether the drum body and its edges have fatigue […]
Rapid Shipment of XCMG Truck Crane Parts to Long-Term Middle East Customer
We have completed the packaging of a batch of XCMG truck crane parts in our warehouse, and the goods will be shipped to a long-term cooperative customer in the Middle East market. The parts cover a variety of high-frequency consumables, including pulleys, cables, displays, headlights, controllers, sensors, A2B limiters, display button films, hydraulic sensors, displacement […]
Buyer-style reviews can help you think through real sourcing situations, such as checking specifications, comparing supplier options, preparing an RFQ, or reviewing export order needs.
I used this tag page to clarify anti two block mobile crane requirements before asking China suppliers about limit switch compatibility and installation details.
I was comparing anti two block mobile crane options, and the page helped me frame questions around boom protection, alarm response, and control integration.
I needed a more focused RFQ for an anti two block mobile crane setup, and this page gave me better wording for functional expectations.
I reviewed this while checking anti two block mobile crane sourcing choices, especially to ask about operating conditions, signal output, and retrofit suitability.
Frequently Asked Questions
How should a procurement manager assess application fit with a China Anti-Two-Block Mobile Crane Manufacturer, Factory & Suppliers?
Review crane type, boom configuration, hook block travel, operating environment, voltage interface, and signal output needs. Share drawings or photos so the supplier can match the anti two block mobile crane device to the OEM project.
What custom options should be discussed for an anti two block mobile crane OEM project?
Common discussion points include cable length, connector type, switch structure, mounting bracket, enclosure preference, warning output, label content, and wiring method. Confirm which items are standard and which require sample validation before bulk planning.
What information should be included when sending an RFQ to Jiemanda for anti two block mobile crane parts?
Include target crane model, working conditions, quantity forecast, technical drawings, expected function, installation position, packaging request, and sample approval process. Clear RFQ details help shorten clarification rounds and support an accurate product shortlist.
How can buyers compare suppliers for China Anti-Two-Block Mobile Crane Manufacturer, Factory & Suppliers sourcing?
Compare technical response quality, customization communication, drawing review ability, sample confirmation steps, export document familiarity, and packaging discussion. Avoid judging only by part name because anti two block mobile crane requirements vary by OEM design.
What lead-time questions are appropriate before sample approval and bulk order planning?
Ask about sample preparation workflow, drawing confirmation timing, tooling or bracket review needs, and batch scheduling dependencies. Instead of assuming fixed timing, request a project-based schedule tied to approved specifications and buyer feedback milestones.
What packaging requirements should be clarified for export orders of anti two block mobile crane components?
Clarify unit protection, labeling format, carton marking, moisture control needs, pallet preference, and document matching. Packaging should suit component shape, cable protection, and warehouse handling requirements defined by the buyer’s OEM logistics team.
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Send your application details, quantity range, sample requirements, packaging needs, and delivery expectations to receive a more focused supplier response.
