Huida
Huida
Explore our factory-direct heavy excavator attachments, precision couplers, and high-performance lifting electromagnetic modules engineered for severe-duty industrial scrap handling.
Analyzing global scrap recycling trends, magnetic separation physics, and OEM supply chain integration strategies.
As worldwide steelmakers transition toward Electric Arc Furnace (EAF) infrastructure to meet decarbonization goals, the global demand for processed ferromagnetic scrap metal is projected to hit record highs. High-efficiency OEM electromagnetic lifting magnet units mounted directly to excavators provide unprecedented mobility and throughput for scrap steel yards, demolition demolition zones, and steel recycling hubs globally.
Traditional electromagnets suffer severe lifting capacity drop-offs caused by internal heat accumulation during continuous operational cycles. Advanced OEM electromagnetic engineering leverages Class H insulation systems, vacuum-impregnated dual-layer aluminum or copper windings, and high-dissipation cast steel housings to maintain peak magnetic flux density even under 75% to 100% duty cycles.
Modern mobile magnetic handling relies on on-board hydraulic generator drive systems connected to the host excavator's auxiliary hydraulics. OEMs must ensure precise voltage regulation (220V DC output), dynamic drop-demagnetization pulses for clean drop cycles, and over-voltage protection to safeguard both the attachment magnet coil and host machine electronics.
Yantai Huida Intelligent Equipment Co., Ltd. - Leading OEM Heavy Industrial Attachments Manufacturer
Yantai Huida Intelligent Equipment Co., Ltd. was initially established in December 2016 and was renamed on March 25, 2019 with a registered capital of 20 million yuan. It is a professional engaged in and dedicated to the research and development, production, and sales of scrap steel processing, automobile recycling, renewable resource utilization, environmental protection and energy-saving equipment and excavator accessories, and has obtained nearly 40 product invention patents.
At present, our main production and operation products include excavator accessories and accessories: Eagle hydraulic shear, Double Cylinder Steel Shear, Hydraulic Car Scrap Shear, Crusher, Grab, Coupler, Lifting Electromagnetic, Ripper, Breaker etc. All products have undergone the entire process of quality control from accessory procurement to product delivery, and have obtained ISO9001 quality management system certification.
"Putting customers at the center and providing attentive service" is our business philosophy; it is also our eternal and unchanging purpose on the road of development. "Innovation and efficiency, striving for excellence, and service first" is our core value standard.
"Never give up" is our team spirit. When dealing with problems in work, we are indomitable and steadfast like a rock. We continuously break through and innovate in professional technology, introducing 6 R&D design personnel with high-end skills and nearly 50 professional processing technicians.
Circuit Technology Center: We have the capabilities to manufacture 1 to 24 layered printed circuit boards for attachment control system integration. Maximum board size capabilities for multilayer PCBs reach 16" x 26" with streamlined turnaround based on board complexity.
Technical breakdown of coil matrix, excitation voltage, heat dissipation pathways, and magnetic flux optimization.
| Engineering Metric | High-Temperature Series (MW5-HT) | Normal Temperature Series (MW5-NT) | Underwater / Marine Series (MW5-UW) |
|---|---|---|---|
| Rated Voltage (DC) | 220V DC / 24V Auxiliary | 220V DC / 24V Auxiliary | 220V DC Sealed System |
| Duty Cycle Rating (TD) | 75% Continuous / 100% Dual-System | 60% Standard / 75% Heavy Duty | 80% Submerged Cooling |
| Coil Material Option | High-Purity Anodized Aluminum / Copper Wire | Standard Oxygen-Free Copper / Aluminum | Dual-Insulated Enameled Copper Coil |
| Insulation Class | Class H (Up to 200°C) / Class C (Up to 300°C) | Class H (Up to 180°C) | Class H Triple Encapsulated Resin |
| Excitation Power Range | 3.5 kW – 26.5 kW | 2.2 kW – 19.8 kW | 4.0 kW – 28.0 kW |
| Bottom Plate Construction | High-Manganese Steel (Mn13) Non-Magnetic | High-Manganese Steel (Mn13) Guard | Reinforced Stainless Alloy + Mn13 Guard |
| Host Excavator Fitment | 12 Ton to 50 Ton Excavators | 5 Ton to 45 Ton Excavators | 20 Ton to 70 Ton Offshore Excavators |
Excavator-mounted lifting electromagnets require autonomous power generation. Yantai Huida supplies integrated hydraulic generator sets that couple directly to the excavator's hydraulic breaker lines. The hydraulic motor drives a high-efficiency brushless generator, producing continuous 220V DC power directly controllable via joystick button triggers inside the excavator cab.
When handling hot scrap, slag, or structural demolition debris, heat radiation can rapidly degrade coil insulation. Our high-temperature electromagnetic lifters incorporate a unique double-bottom thermal barrier space filled with special insulation materials, blocking heat transfer from hot steel loads (up to 700°C) into the internal excitation coils.
Standard magnets suffer from residual magnetism that causes fine scrap metal, iron filings, and small steel bits to cling to the magnetic face even after power off. Our electronic control unit delivers a reverse-polarity discharge pulse (0.2 to 0.5 seconds), shedding 100% of attracted material instantly for maximal dumping speeds.
Engineered for extreme operating environments across scrap metal yards, demolition sites, steel production facilities, and marine infrastructure.
In scrap consolidation facilities, excavators equipped with round MW5 series lifting electromagnets perform rapid loading and unloading of shredded scrap, pig iron blocks, heavy melting scrap (HMS 1&2), steel turnings, and crushed car shells directly into shredders, balers, or transport trucks.
High-temperature electromagnetic lifters handle red-hot billets, steel slabs, forged ingots, and hot steel scrap inside melt shops and rolling mills. The double-chamber thermal shield prevents heat degradation, enabling continuous 24/7 furnace charging cycles without magnet downtime.
Following concrete crushing using hydraulic pulverizers or Eagle shears, excavators deploy lifting magnets to sweep pulverized concrete beds. They extract fine rebar, structural steel mesh, and iron wire from crushed concrete, turning hazardous debris into valuable recyclable steel stream.
Fully sealed IP68 waterproof lifting electromagnets are utilized by marine construction excavators mounted on barges for underwater scrap clearing, harbor seabed sweeping, sunken ship metal recovery, and underwater pipeline installation assistance.
Excavators fitted with custom magnetic attachment plates sweep railway tracks during track replacement projects, efficiently picking up loose track spikes, tie plates, fishplates, and metal debris along rail corridors without damaging track beds.
Why Yantai Huida Intelligent Equipment Co., Ltd. is the premier OEM supplier for global heavy machine attachments.
Situated in Yantai, Shandong Province—the core hub of China’s heavy construction machinery manufacturing cluster—Yantai Huida benefits from immediate access to premium low-carbon high-permeability iron, high-tensile structural steel plates (Q345B/Q690), precision machining facilities, and advanced electrical insulation suppliers. This localized industrial cluster significantly lowers raw component costs while ensuring zero supply chain friction.
Every lifting electromagnet, hydraulic shear, and quick coupler undergoes rigorous end-to-end quality inspection. From raw material spectrum analysis to ultrasonic weld testing, coil resistance verification, thermal rise testing, magnetic flux Gauss mapping, and 24-hour continuous insulation withstand voltage testing, our products strictly comply with ISO9001 certification requirements.
Compared to North American or European equipment suppliers, Yantai Huida offers equivalent or superior magnet lifting capacities, duty cycles, and structural durability at a direct-from-factory price advantage of 30% to 50%. Our lean manufacturing processes and high production volume deliver unmatched total cost of ownership (TCO) for global distributors and rental fleets.
End-to-end global customer support, custom OEM design, and factory warranty guarantees.
Self-owned brand supply, OEM production and processing, Technical Answers and Solution Design.
OEM Partners, Agents, Dealers, Rental Companies, End Demand Providers, and Other Industrial Demanders.
ISO9001 certified manufacturing facility with rigorous intellectual property and patent portfolio.
At the same time, we focus on team management and business management, establishing a comprehensive system for personnel management, quality management, safety management, and environmental management, effectively ensuring safety production and product quality, and laying a solid foundation for timely and high-quality delivery of products.
In addition, we pay more attention to supplier management and establish a series of management plans to ensure product quality at the source. We have established long-term and stable cooperative relationships with major well-known raw material and supporting companies to ensure product quality and project schedule. Strong execution, precise management, and high skills embody our team spirit, which will promote us to better serve our customers!
Pioneering smart electro-permanent magnets, IoT remote diagnostics, and energy-reclaiming excavator attachments.
Next-generation Yantai Huida lifting electromagnets will feature integrated IoT sensors that monitor real-time coil temperature, excitation current stability, and insulation resistance. Wireless telemetry transmits operational metrics straight to the excavator operator’s cabin display or fleet management portal, pre-empting thermal overloads before failure occurs.
We are actively researching hybrid Electro-Permanent Magnet (EPM) attachment modules. EPM systems require electric power only during a brief 1-second pulse for magnetization and demagnetization, utilizing permanent neodymium magnets to hold heavy steel loads safely without consuming continuous electricity during transit, yielding up to 90% energy savings.
Future engineering roadmaps prioritize modular top-adapter plates compatible with all major global tilt-rotator standard couplings (S60, S70, S80, OilQuick, Steelwrist, and Lehnhoff), permitting operators to switch from Eagle shears to lifting electromagnets in less than 30 seconds without manual hose disconnections.
Expert technical answers for equipment buyers, fleet managers, and engineering contractors.
Explore additional specialized heavy excavator tools manufactured in our Yantai facility for scrap recycling, demolition, timber handling, and earthmoving operations.
