Huida
Huida
Engineered for extreme performance, heavy-duty durability, and seamless job site compatibility
Understanding the Mechanics of Uncompromising Site Safety & Machinery Efficiency
In modern construction, demolition, and infrastructure projects, excavator quick couplers are subjected to severe structural stresses. Standard single-lock quick couplers pose an inherent risk: in the event of hydraulic pressure drop, mechanical failure, or operator error, the attachment can unlock unexpectedly, causing catastrophic accidents.
The China Double Lock Hydraulic Quick Coupler addresses these challenges through a dual-redundant safety framework. The primary lock is driven by a heavy-duty hydraulic cylinder that secures the front pin. Simultaneously, an independent, mechanical secondary lock engages the rear pin automatically. This ensures that even if hydraulic line pressure fails entirely, the attachment remains mechanically tethered to the coupler until manually deactivated by the operator inside the cabin.
By sourcing through specialized OEM Double Lock Quick Coupler Suppliers, enterprise clients ensure conformance to strict global standards, including ISO 13031 safety regulations, preventing unwanted drops and improving operator confidence globally.
Independent active hydraulic locking paired with passive heavy mechanical locking ensures robust retention on both pins under peak operating loads.
Constructed with high-tensile alloy steel (Q355B/Q460 and Hardox plates) to resist localized abrasive wear and prolonged deformation under cyclic stress.
Product Invention Patents
Registered Capital (CNY)
Specialized Technical Personnel
ISO9001 Quality Assured
Bridging intelligent engineering, precision manufacturing, and environmental responsibility
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 values and the standard for our work, which will promote us to provide customers with better and faster services. We sincerely hope to work with you to create a brilliant future.
How our integrated supply chain, state-of-the-art machinery, and manufacturing cluster deliver unparalleled value
Operating out of Yantai's premier heavy industry cluster allows us to source high-grade raw materials directly, minimizing logistics and secondary costs. This efficiency translates to highly competitive wholesale pricing for global OEM buyers.
Our dedicated design team utilizes high-end Finite Element Analysis (FEA) to simulate extreme stresses and optimize structure geometry. Precision CNC boring machines, automated structural welders, and strict quality control guarantee exceptional physical performance.
Whether matching specific pin dimensions, integrating customized hydraulic piping layouts, or engineering compatibility for regional excavator platforms (CAT, Komatsu, Volvo, Sany, etc.), we provide comprehensive and rapid custom OEM configurations.
Visualizing the manufacturing precision and state-of-the-art heavy equipment facilities in Yantai, China
Highly skilled engineering, meticulous supply chain control, and system architecture design
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 and design personnel with high-end skills and professional knowledge, and having nearly 50 professional processing technicians.
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!
We have the capabilities to manufacture 1 to 24 layered printed circuit boards. Our maximum board size for multilayer PCBs is 16" x 26" and the standard PCB manufacturing turnaround time depends on the complexity and quantity of the boards needed.
High-impact, reliable applications spanning construction, recycling, and mining operations
Demolition contractors frequently switch between hydraulic hammers, secondary pulverizers, and scrap metal shears (like our double cylinder steel shear and Eagle shear). A high-durability double lock coupler reduces physical changeover times from hours to minutes without compromising structural safety under dynamic back-and-forth shock loads.
On municipal and highway construction sites, safety regulations are extremely strict. Our hydraulic couplers provide rapid changes between trenching buckets, compaction wheels, and hydraulic breakers, completely preventing dropping hazards in high-density urban areas.
Operating in remote forestry areas or deep pit mining necessitates highly reliable tools. By utilising structural alloys and heavy hydraulic system components, Yantai Huida's couplers withstand extreme temperature fluctuations and excessive dust concentration while maintaining consistent clamping pressure.
Rigorous quality control frameworks backed by recognized structural certifications
Providing customized OEM configurations, end-to-end processing support, and robust structural guarantees
Service Items: Self-owned brand supply, OEM production and processing, Technical Answers, and Custom Solution Design.
Service Objects: OEM Partners, Agents, Dealers, Rental Companies, End Demand Providers, and other equipment demanders globally.
As an industry-leading manufacturer, Yantai Huida Intelligent Equipment Co., Ltd. strictly maintains high standards across our product lifecycle. Our commitments build the foundation of long-term business partnerships with global brands:
Addressing vital technical, logistical, and safety inquiries of global procurement managers
Providing industrial strength, structural longevity, and complete system compatibility
