Import 300t Portal Crane — Buy in Bulk from Supplier in China
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300t portal crane
The 300 tonne portal crane from Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. is a rail-mounted gantry crane designed for heavy lifting in ports, shipyards, and large-scale manufacturing yards. The source consultation indicates a main hook rated capacity of 300 tonnes with an auxiliary hook at 20 tonnes, permitting tandem or independent lifting operations. Track gauge options of 20 metres and 10.5 metres are referenced, with a maximum outreach of 50 metres from the rail centreline to the hook centre under load.
Portal cranes of this class typically employ a welded box-section boom and A-frame lattice structure with high-strength structural steel conforming to GB/T 1591 Q345 or equivalent international grades. The lifting mechanism usually incorporates a multi-part reeving system with planetary gearbox and variable-frequency drive for precision load control. The source does not confirm motor power, hoisting speeds, or classification per FEM 1.001 or ISO 4301, so buyers must request the complete machinery specification sheet from the supplier's Erqi District facility.
Primary purchasers include port authorities, heavy marine engineering contractors, large vessel builders, and steel yard operators who require intermittent-duty lifting of modules, ship blocks, and prefabricated assemblies.altha The dual-hook configuration allows handling of auxiliary rigging without swapping main hook attachments. Trade terms, delivery schedule, and installation support are not stated in the source data and require direct negotiation with Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd.
| Main Hook Lifting Capacity | 300 t (confirmed from source data) |
| Auxiliary Hook Lifting Capacity | 20 t (confirmed from source data) |
| Track Gauge Options | 20 m / 10.5 m (confirmed from source data) |
| Maximum Outreach | 50 m from rail centreline (confirmed from source data) |
| Typical Structural Steel Grade | Q345B or Q355B per GB/T 1591 (standard for Chinese heavy crane fabrication; exact grade to be confirmed with supplier) |
| Typical Classification Standard | FEM 1.001 or ISO 4301-1 (standard for portal crane design; exact classification and duty group to be confirmed) |
| Typical Lifting Mechanism | Multi-part reeving with planetary gearbox and variable-frequency drive (standard for this capacity class; exact motor power and speed to be confirmed) |
| Typical Rail Type | QU80 or QU100 crane rail (standard for 300 t portal crane running gear; exact rail specification and wheel load to be confirmed) |
| Typical Power Supply | 3-phase AC, 380V 50Hz (standard Chinese industrial supply; voltage and frequency options to be confirmed with supplier) |
| Typical Control System | Cabin control with PLC-based monitoring (standard for modern portal cranes; remote control or automation options to be confirmed) |
Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. is located on Minghui Road, Erqi District, Zhengzhou, Henan Province, China. Zhengzhou is an established base for heavy machinery manufacturing in central China, with established rail and road connections for oversized cargo transport. The supplier holds an imported tier classification and harbor trust tier on the platform, with zero recorded response rate and no average response time data available.
The source provides no information on year of establishment, factory floor area, number of employees, annual crane output, or installed lifting capacity for assembly. No certifications are confirmed in the source data, and claims regarding ISO, CE marking, or China Compulsory Certification must be verified directly with Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. Buyers should request references for installed 300 tonne portal cranes and whether the supplier provides turnkey installation, commissioning, and operator training.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing 300t Portal Crane from Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. - China Import Guide
Before committing to purchase from Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd., conduct technical due diligence on their reference installations. Visit an operational 300 tonne portal crane if possible, or request video documentation of load testing and mechanism operation. Verify that the proposed design matches your site constraints, including approach rail length, clearance envelopes, and environmental conditions such as wind speed and seismic zone. Insist on a guaranteed technical proposal with performance acceptance criteria before contract execution.
Logistics for a 300 tonne portal crane require specialised heavy-lift transport and port handling. Confirm with the supplier their maximum shipping module dimensions and weights, as these determine whether roll-on/roll-off, heavy-lift vessel, or modular transport is required. Clarify responsibility boundary for unloading at destination, foundation preparation, and assembly crane provision. Payment terms for capital equipment of this scale typically involve milestone payments linked to design approval, material procurement, factory acceptance test, shipment, and final acceptance, but must be negotiated directly with the supplier.
Quality assurance should include witnessing of factory acceptance tests (FAT) at the Henan facility, including no-load, static load at 125% of rated capacity, and dynamic load testing at 110%. Inspect weld quality documentation, non-destructive testing records, and material traceability certificates for critical structural components. Post-delivery, engage an independent inspector for site assembly supervision and commissioning witness. Retain a performance bond or letter of credit mechanism until successful completion of the site acceptance test (SAT) and operator training sign-off.
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30 suppliersBuy & Import 300t Portal Crane — Wholesale Supply from China
Securing a reliable supply chain for 300t Portal Crane is critical for maintaining your business operations. Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd., a verified supplier located in China, provides high-quality 300t Portal Crane ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Heavy Machinery industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing 300t Portal Crane from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd.. This seamless communication is powered by EximNext, a premier global B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Heavy Machinery category or discover new suppliers across the Heavy Machinery sector. Expand your sourcing capabilities through our trusted import export marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for 300t Portal Crane
When importing 300t Portal Crane from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About 300t Portal Crane
How can I get the wholesale price for 300t Portal Crane?
Click the "Request Quotation" button to contact Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy 300t Portal Crane in bulk from China?
Yes, Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. provides 300t Portal Crane for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd.. Contact the supplier to discuss the best logistics options for importing 300t Portal Crane to your country.
How do I request a sample of 300t Portal Crane?
Send a direct message to Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing 300t Portal Crane?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd..
Does Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
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Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
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How do I contact Zhengzhou New Dafang Heavy Industry Science & Technology Co., Ltd. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our global B2B marketplace.
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