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 On Crane Sourcing in China: suppliers, factory and Manufacturer | Jiemanda
Anti Two Block On Crane Sourcing Guide for China suppliers, factory and Manufacturer
Use this page to evaluate China Anti Two Block On Crane Manufacturer, Factory & Suppliers from the perspective of replacement sourcing. It brings together related products, practical selection checks, and buyer questions so your inquiry can be more specific from the beginning.
For a private-label brand owner, the most useful starting point is supplier communication and quotation speed. Review the product matches, comparison notes, FAQs, and recent buyer-style feedback before sending final requirements.
Hot Selling Product
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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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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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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XCMG Old Model Crane Original Lower Cab Control Mainboard (ER81-60-12)
Core Selling Points Original Equipment Fit: Factory-matched board for XCMG QY Series cranes produced between 2006-2010, direct replacement without wiring modification. Stable & Reliable: Adopts industrial-grade components with anti-vibration and anti-interference performance, suitable for complex crane operating environments. Preferred for Maintenance: Rare dedicated mainboard for old cranes in the market, perfectly replacing faulty boards to […]
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WIKA DLG200-4EH Industrial-Grade Data Logger
Engineered for harsh industrial environments, it stably records critical data to ensure operational safety and traceability of your equipment.
Read MoreHow To Compare anti two block on crane Options
Product Shortlist Guide
The related product list helps you compare China Anti Two Block On Crane Manufacturer, Factory & Suppliers by actual product direction rather than keyword wording alone. Check whether each product supports replacement sourcing, then use the table below to prepare a clearer RFQ.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Crane fit | Model, rope size, hook travel | Avoids wrong replacement pick | Send photos and nameplate |
| Signal type | Limit switch, buzzer, relay output | Matches existing control setup | Ask for wiring diagram |
| Custom options | Cable length, bracket, housing | Supports private-label projects | List required changes early |
| Quote readiness | Qty, specs, packaging, logo | Speeds supplier quotation | Use one RFQ sheet |
| Supplier reply | Response time and detail level | Helps shortlist factories | Compare answers side by side |
How To Choose anti two block on crane Supplier
China Anti Two Block On Crane Manufacturer, Factory & Suppliers are best evaluated by how well the product matches your crane application, replacement needs, required specifications, and packaging expectations.
Before requesting pricing, share quantity, destination, preferred lead time, branding needs, and any reference photos or drawings. Clear information helps suppliers respond faster and makes quotations easier to compare.
Start by confirming the replacement scenario. Note the crane type, working environment, installation position, required function, and any existing part details. If you are replacing a previous model, photos, labels, measurements, or drawings can reduce back-and-forth communication.
For private-label sourcing, list the custom options you may need early. This can include logo use, label format, outer carton requirements, instruction materials, color preferences, or bundled accessories. Clear packaging requirements are especially useful when comparing suppliers for repeat orders.
When asking for a quotation, include estimated order quantity, target market, destination port or address, expected delivery window, and sample requirements. If your project is still in planning, provide a quantity range so suppliers can quote more realistically.
Compare suppliers by response speed, question quality, and quotation completeness. A useful reply should help you confirm application details, check specifications, understand customization limits, and build a shorter list of suitable products.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Application fit | High | Matches crane type and replacement need | Boom crane limit switch |
| Communication clarity | High | Fast, specific technical replies | Confirms wiring details |
| Custom options | Medium | Supports branding or configuration | Private-label housing |
| Quotation detail | High | Clear specs and order terms | MOQ range, packaging notes |
| Documentation support | Medium | Provides specs for review | Drawing or datasheet |
Top Product Matches
Recommended Products
Top product matches should be reviewed by fit, specification clarity, customization readiness, and how well they support product shortlist building. 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 feedback on this page may help you think through common sourcing steps, such as confirming application details, checking specifications, shortlisting related products, and planning a custom project.
I used the anti two block on crane page to clarify limit switch, hook travel, and crane compatibility questions before contacting China suppliers.
I needed anti two block on crane guidance for a maintenance review, and this page helped me separate required application details from general product notes.
When asking a manufacturer about anti two block on crane setups, I used the page to frame questions around installation position and operating environment.
The anti two block on crane content helped me write a tighter RFQ by listing crane type, lifting conditions, and preferred response details first.
Frequently Asked Questions
What custom options should a private-label buyer ask a China Anti Two Block On Crane Manufacturer, Factory & Suppliers about?
Ask about housing style, cable length, switch type, connector format, labeling, color, and manual language. Share crane model details and replacement requirements so suppliers can confirm whether customization is practical before quotation.
How can I speed up communication when sourcing anti two block on crane replacements from China suppliers?
Prepare a clear inquiry with photos, crane type, working environment, current part dimensions, wiring details, and target order quantity. This helps suppliers compare your requirement with available designs and reply with fewer clarification rounds.
What information is needed for a bulk quotation from a China anti two block on crane factory?
Include quantity range, required specifications, branding needs, packaging expectations, destination market, and any test or documentation requests. Avoid vague terms so the supplier can prepare a comparable quotation for shortlist review.
What lead-time questions should I ask before shortlisting an anti two block on crane supplier?
Ask how production time changes with customization, labeling, packaging, sample review, or order quantity. Request separate timing for confirmation steps, manufacturing, inspection, and dispatch preparation without assuming guaranteed dates.
How should packaging requirements be described for private-label anti two block on crane orders?
Specify unit packaging, outer carton labeling, barcode needs, instruction sheet format, protection for switches or cables, and any neutral branding requirements. Clear packaging notes help suppliers assess materials and quote consistently.
How can I compare related anti two block on crane products during replacement sourcing?
Compare mounting method, actuation structure, electrical rating, cable interface, environmental suitability, and compatibility with the original crane setup. Request drawings or specification sheets to support a practical product shortlist.
Leave Your Message
Send your inquiry with replacement details, quantity range, destination, packaging needs, custom requirements, and expected lead time so suppliers can respond with a clearer quotation.
