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5-inch F-type Damping Hinge 1.Ultra-thin Shaft Diameter & Advanced Technology: Boasting an 18.5mm shaft diameter, this split-type damping hinge stands as a paragon of engineering excellence. A smaller shaft diameter signifies a higher technical caliber, as it demands precise craftsmanship to guarantee stable damping performance, seamless rotation, and enduring durability. This is a testament to how miniaturization can harmoniously coexist with exceptional functionality. 2.Intelligent Damping & Multi-zone Control**: The hinge is designed with multi-stage motion control. It has a **130° door suction zone** for secure positioning, an **85° arbitrary stay zone** that allows the door to halt at any angle within this range for convenience, a **windproof buffer zone** that reduces impact from airflow, and a **20° locking zone** for seamless latching. Plus, it offers collision-proof automatic rebound, preventing damage from accidental impacts and ensuring the door always returns to its proper position smoothly. 3.Robust Construction & Wide Compatibility**: Built with high-quality materials, the 5-inch F-type hinge boasts excellent load-bearing capacity and corrosion resistance, suitable for various door types in residential and commercial spaces. Its sleek black finish and F-type design not only enhance the aesthetic appeal of doors but also ensure easy installation, making it a versatile choice for different architectural styles. 4.Quiet Operation & User Comfort**: The damping mechanism eliminates noisy slams, providing a quiet living and working environment. Whether you're closing the door gently or with a bit more force, the hinge's consistent damping effect ensures a smooth, silent motion, enhancing user experience and adding a touch of luxury to everyday interactions with doors. 5.Innovative Split Design & Longevity**: The split-type structure allows for easier maintenance and replacement if needed, while also distributing stress more evenly, thus extending the hinge’s service life. This design innovation ensures that the hinge remains a reliable component of your door system for years, combining practicality with cutting-edge engineering.

1. Core Tech Accumulation, Premium Materials & Long Durability We dedicate 12 years to the R&D and manufacturing of hydraulic dampers, gaining a firm grasp of core damping technologies, making breakthroughs in hydraulic tech, and securing multiple patents. To ensure long-term reliability, we use a variety of premium materials—including iron, pure steel, POM (polyoxymethylene), and stainless steel shells—that balance structural strength and corrosion resistance for different usage environments. Most products boast an exceptionally long service life of over 50,000 cycles, with some models reaching 100,000 cycles, thanks to their strong durability that cuts down on replacement frequency. 2. Authoritative Quality Certifications & Stable Performance Our dampers meet the national technical standard GB/T19001-2016, and have passed the ISO 9001:2015 international quality management system certification as well as SGS certification, with strict quality control implemented throughout the entire production process. They also maintain steady performance in extreme conditions: operating across a temperature range of -45℃ to +50℃, they adapt to climate conditions in multiple regions. Plus, high-end sealing technology is adopted to effectively prevent oil leakage and seepage, ensuring reliable long-term operation and reducing maintenance costs. 3. Wide Application, Flexible Customization & Full Support Covering scenarios like hinges, sliding doors, slide rails, wardrobes, stretching tables, indoor sliding doors, and large drawers, our dampers meet the needs of furniture, industrial equipment, and other fields. Based on specific application scenarios, key parameters—such as size, shape, and pressure—can be tailored flexibly to match different terminal equipment requirements. We also provide mature pre-sales consultation and after-sales guarantee services, along with customized solutions; meanwhile, relying on stable production capacity (and future production capacity upgrade plans), we ensure timely supply.

Hongfeng Zhiyang’s production base spans an area of 6,500 square meters and currently employs over 100 skilled professionals. As its products gain increasing popularity in both domestic and overseas markets, with sales volumes growing steadily across borders, the urgency to upgrade production capacity has become increasingly prominent. This expansion is not only aimed at meeting the surging market demand but also at enhancing production efficiency and technological capabilities to maintain a competitive edge in the industry. Meanwhile, Hongfeng Zhiyang places product quality at the very core of its enterprise mission. To ensure uncompromising quality, the company has established a comprehensive multi-period cycle quality inspection system. This system involves rigorous checks at every stage of the production process, from raw material procurement to the final product delivery. By doing so, Hongfeng Zhiyang guarantees that each batch of products adheres to the highest standards and meets the specific requirements of its customers, thereby fostering long-term trust and loyalty in both domestic and international markets. Such a dual focus on production capacity and quality underscores the company’s commitment to sustainable growth and excellence.

#Silent Closures That Actually Feel Good – No More Slamming! This isn't just "quiet" – it's the kind of soft close that makes you go, “whoa, that's nice.” It soaks up the energy from closing doors/drawers, so no more loud slams waking up the kids or disrupting a quiet office. Your furniture feels fancier, and your space stays peaceful – total win. #Install in Minutes – No Fussy Tools Required! Forget hunting for random parts or borrowing a drill. The HF-011 and HF-012 kits come with all the stuff you need: brackets, springs, screws – everything. You don’t need to be a pro to put it together, and it cuts installation time in half. Manufacturers and DIY folks both love this. #No More Messy Oil Leaks – We Fixed That Annoying Problem! Traditional hydraulic buffers leak oil, right? Stains your drawer liners, ruins furniture – super frustrating. Our top-notch sealing tech locks oil in for good. No more mess, no drop-off in performance. Finally, a buffer that doesn’t make a mess of your stuff. #Fits All Your Furniture – Super Versatile! It works with indoor sliding doors (stops them from slamming into frames), big drawers (keeps your stuff inside safe and extends rail life), and even luxury cabinets – thanks to the HF-S35 single-spring buffer, which is made just for those fancy three-section ball bearing rails. One buffer, so many uses. #Works Anywhere – Hot, Cold, Doesn't Phase It! Whether you're up north where it freezes (-45°C!) or down south where it’s sweltering (+50°C), this buffer keeps going. No weird jolts, no slowdowns – it performs like it’s in a perfect climate, no matter the weather. #Tough as Nails – Lasts Forever (Okay, 50k+ Uses!) This thing doesn't break easy. It handles up to 50KGS, and lasts over 50,000 cycles – way more than you'll use it in daily life. We test every single one with strict checks (thanks to our ERP system) and tough material tests, so you know it's reliable. #Made with Stuff That Doesn't Wear Out – POM + More! We don't skimp on materials. The core parts are POM – a tough engineering plastic that resists impacts, doesn't age fast, and keeps friction low. Need extra strength? HF-007B has a stainless steel shell (no warping!), and HF-10B mixes POM with metal – light but strong. #We've Got Your Back – 10+ Years of Trusted Support! This isn't some fly-by-night product. Hongfeng Zhiyang has been doing damping tech for over a decade, with solid pre-sales help and after-sales support. Furniture brands worldwide use us because they know we deliver. When you pick our buffer, you’re picking a brand that stands behind its stuff.

Focus on Material & Durability First With 12 years as a high-tech leader in hydraulic damping solutions, Hongfeng Zhiyang remains dedicated to mastering damping core technologies and crafting top-tier hardware systems. Its Multi-Function Buffer Series—a premier product lineup—blends cutting-edge engineering, long-lasting construction materials, and user-focused design. Adhering to national GB/T19001-2016 norms and holding ISO 9001:2015 certification, this series not only meets stringent quality benchmarks but also redefines industry performance and dependability. 1. High-Grade Materials for Unmatched Quality Material selection is a top priority for Hongfeng Zhiyang, ensuring the Multi-Function Buffer Series delivers toughness, wear resistance, and structural stability. Core components are mainly constructed from POM (polyoxymethylene), a high-performance engineering plastic celebrated for superior mechanical strength, low friction, and resistance to impacts and aging—perfect for enduring repeated buffering actions. Specialized models feature enhanced materials: HF-007B: Combines a POM core with a stainless steel housing for added rigidity, resisting deformation and corrosion. HF-10B: Utilizes a POM-metal hybrid structure, balancing lightweight design with heavy-duty functionality. Supporting parts (brackets, fasteners, etc.) include ABS, PVC, Q235 steel, and SPCC cold-rolled steel—each chosen for distinct advantages (e.g., ABS for impact resistance, Q235 steel for high tensile strength) to ensure seamless system operation. 2. Robust Durability & Wide Environmental Suitability Engineered to perform in diverse settings, the series boasts industry-leading specs: an operating temperature spectrum of -45°C to +50°C ensures stable function in extreme cold or heat, from frigid northern areas to warm southern climates. A controlled working speed of ≤0.5m/s enables smooth, jolt-free movement, while a fixed 50mm stroke guarantees consistent buffering across all uses. Its exceptional durability sets it apart: each unit offers an operational lifespan of over 50,000 cycles and a maximum load capacity of 50KGS—surpassing daily needs in residential and commercial settings. This reliability stems from strict multi-stage cyclic quality checks (managed via ERP systems throughout production) and rigorous material testing, ensuring long-term performance. 3. Broad Usability & Enhanced User Experience Tailored for modern furniture and interior hardware, the series excels in multiple applications: Indoor sliding doors: Minimizes closing noise, preventing slamming and safeguarding door frames. Large drawers: Enables gentle gliding closure, protecting internal items and extending rail life. Specialized use cases: The HF-S35 single-spring buffer is custom-designed for three-section ball bearing buffer rails, delivering precise damping for high-end cabinetry. At its core, the series delivers a smooth, noiseless closing sensation. By efficiently absorbing kinetic energy, it eliminates the harsh noise of traditional closures, turning daily furniture interactions into a seamless, peaceful experience. This boosts user comfort and elevates the premium feel of end products (wardrobes, cabinets, office furniture). 4. Easy Installation & Leak-Proof Sealing Hongfeng Zhiyang prioritizes practicality with hassle-free installation and disassembly—a key design focus across all models. For instance, the HF-011 and HF-012 buffer kits include full accessories (brackets, connectors, tension springs, set screws, nuts), allowing installers to complete assembly without extra tools or custom parts. This reduces installation time and labor costs for manufacturers and end-users alike. Selected models feature premium sealing technology, effectively preventing oil leakage or seepage. This preserves the product’s appearance, avoids furniture interior contamination, and ensures stable damping performance over time—solving a common flaw in traditional hydraulic buffers. Final Note Hongfeng Zhiyang’s Multi-Function Buffer Series is more than a damping solution—it’s a fusion of precision engineering, durable materials, and user-centric innovation. Backed by mature pre-sales and after-sales support, strict quality control, and over a decade of market trust, this series is the preferred choice for domestic and international furniture brands. Whether enhancing residential furniture comfort or improving commercial hardware reliability, the Multi-Function Buffer Series delivers consistent performance, durability, and versatility. Collaborate with Hongfeng Zhiyang to master damping core technologies and create smarter, more comfortable living and working environments.

1. Wide-Ranging Application Scenarios Our dampers span diverse use cases including hinges, sliding doors, slide rails, wardrobes, extendable tables, indoor moving doors, and large drawers—seamlessly adapting to the demands of furniture, industrial equipment, and other sectors. 2. 12 Years of Core Technology Expertise With 12 years dedicated to hydraulic damper R&D and production, we’ve gained a firm grasp of core damping technologies, achieved critical breakthroughs in hydraulic engineering, and secured multiple patent authorizations. 3. Authoritative Quality System Validation Meeting national technical standard GB/T19001-2016, our products have passed the ISO 9001:2015 international quality management system certification and SGS verification—backed by strict quality control across the entire production process. 4. Versatile Material Selection of High Quality We utilize a variety of premium materials such as iron, pure steel, polyoxymethylene (POM), and stainless steel casings, striking an optimal balance between structural strength and corrosion resistance to fit different operating environments. 5. Flexible Customization Capabilities Key damper parameters—including size, shape, and pressure—can be tailored flexibly based on specific application scenarios, ensuring precise alignment with the requirements of various terminal equipment. 6. Stable Performance Across Broad Temperature Ranges Operating within a temperature scope of -45℃~+50℃, the dampers maintain consistent performance even in extreme thermal conditions, making them adaptable to climate environments across multiple regions. 7. Premium Leak-Proof Sealing Technology Top-tier sealing solutions are employed to effectively prevent oil leakage and seepage, guaranteeing long-term reliable operation of the dampers while reducing subsequent maintenance costs. 8. Ultra-Long Service Lifespan Most products boast a service life exceeding 50,000 cycles, with select models capable of reaching 100,000 cycles of use. Their exceptional durability minimizes the frequency of replacements. 9. Effortless Installation and Disassembly Designed with practicality at its core, the product features a simple and convenient installation and disassembly process—lowering construction complexity and boosting assembly efficiency. 10. Comprehensive Pre-Sales and After-Sales Support We offer mature pre-sales consulting and after-sales warranty services, along with customized solution development. Additionally, relying on stable production capacity (and future expansion plans), we ensure timely and reliable supply.

Our products integrate premium materials (ferrous alloys, high-purity steel, POM, stainless steel shells), balancing structural strength and corrosion resistance for diverse environments while ensuring longevity—most exceed 50,000 operational cycles, some reaching 100,000 to cut replacement frequency. With 12 years in hydraulic damper R&D and manufacturing, we’ve mastered core damping tech, achieved hydraulic breakthroughs, and secured patents to reinforce technical competitiveness. Our dampers suit hinges, sliding doors, rails, wardrobes, extendable tables, and large drawers, meeting needs in furniture and industrial sectors. Key parameters (size, shape, pressure) are customizable for end-equipment specifics. Operating at -45℃ to +50℃, they maintain stability in extreme temperatures; high-end sealing prevents oil leakage for long-term reliability and lower maintenance costs. Products comply with GB/T19001-2016, hold ISO 9001:2015 and SGS validation, with strict full-process quality control ensuring consistent reliability. Design prioritizes practicality for simple, efficient installation/dismantling to boost assembly efficiency. We also offer pre-sales consultation, after-sales support, customized solutions, and ensure timely supply via stable (and expandable) production capacity.

### 1. Core Technology & Premium Materials With 12 years in hydraulic damper R&D and production, we’ve mastered core damping technologies, achieved hydraulic engineering breakthroughs, and secured multiple patents. We use premium materials like iron, pure steel, POM, and stainless steel casings, balancing structural strength and corrosion resistance for diverse environments. ### 2. Authoritative Quality Certification & Wide Temperature Stability Our products comply with GB/T19001-2016 national standard, hold ISO 9001:2015 and SGS certifications, and undergo strict full-process quality control. They operate stably in -45℃~+50℃, maintaining consistent performance in extreme thermal conditions across diverse regions. ### 3. Flexible Customization & Broad Application Coverage We flexibly customize damper parameters (size, shape, pressure) based on specific scenarios to match different equipment needs. Our dampers are applied in hinges, sliding doors, slide rails, wardrobes, extendable tables, and large drawers, covering both furniture and industrial equipment fields. ### 4. Leak-Proof Sealing, Easy Installation & Long Service Life Adopting top-tier sealing technology, we prevent oil leakage to ensure reliable long-term operation and reduce maintenance costs. Our products feature easy installation and dismantling to improve assembly efficiency. Most models last over 50,000 cycles, with some reaching 100,000 cycles, minimizing replacement frequency. ### 5. Comprehensive Pre-Sales & After-Sales Support We provide all-round pre-sales and after-sales support. Pre-sales, our team offers in-depth consultation to develop tailored solutions for furniture and industrial equipment sectors. After-sales, we offer timely technical assistance, spare parts supply, and maintenance guidance. With stable and expanding production capacity, we ensure prompt delivery, eliminating supply delays for customers.

1. 12-Year Core Tech Accumulation & Premium Material Selection We dedicate 12 years to the R&D and manufacturing of hydraulic dampers, gaining firm mastery of core damping technologies while achieving breakthroughs in hydraulic engineering and securing multiple patents. To match this technical strength, we utilize diverse high-quality materials—including iron, pure steel, polyoxymethylene (POM), and stainless steel shells—that balance structural strength and corrosion resistance, adapting well to different usage environments. 2. Wide Application Coverage & Flexible Customization Our dampers cater to a wide range of scenarios, from hinges, sliding doors, and slide rails to wardrobes, stretching tables, indoor sliding doors, and large drawers, effectively meeting the needs of furniture, industrial equipment, and other related fields. Based on specific application requirements, key parameters like size, shape, and pressure can be flexibly tailored to fit the demands of different terminal equipment. 3. Authoritative Quality System Certification Our products align with the national technical standard GB/T19001-2016, attain ISO 9001:2015 international quality management system certification, and pass SGS verification. Stringent quality oversight is implemented throughout the entire production process to ensure consistent product reliability. 4. Stable Operation in Wide Temperature Ranges & Leak-Proof Design With a working temperature range of -45℃~+50℃, our dampers sustain consistent performance even in extreme temperature environments, enabling them to adapt to climate conditions across multiple regions. We adopt high-end sealing technology to effectively prevent oil leakage and seepage, ensuring long-term reliable operation of the dampers and reducing maintenance costs. 5. Ultra-Long Service Life & Convenient Installation Most of our dampers have a service life exceeding 50,000 cycles, while some models can reach 100,000 cycles of use—their strong durability significantly reduces replacement frequency. In terms of design, practicality is prioritized: the installation and disassembly process is straightforward and hassle-free, lowering construction difficulty and improving assembly efficiency. 6. Comprehensive Pre-Sales & After-Sales Support We offer mature pre-sales consultation services and after-sales guarantees, and can provide customized solutions based on specific needs. Meanwhile, we leverage stable current production capacity (along with future production capacity upgrade plans) to guarantee on-time delivery, avoiding delays for your projects.