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The Pioneering 18.5mm Pull-out No-adjustment Split-type Damping Hinge - **Innovative Pull-nail & No-adjustment Design**: Features a pull-nail type non-adjustable structure, making installation remarkably convenient and time-saving, eliminating the hassle of complex adjustments during setup. - **Industry-leading 18.5mm Pipe Diameter**: Breaks through industry limits with a pioneering 18.5mm shaft diameter. The smaller the shaft diameter, the higher the technical content, showcasing superior engineering and manufacturing capabilities. - **Adjustable Closing Force & Smart Door Control**: After the door is closed, the closing force is adjustable. It also has a functional angle design: the door automatically returns when opened to 160°, with a wind buffer zone from 80° to 20°, a silent locking zone from 20° to 0°, and an arbitrary door-holding zone from 160° to 80°, enabling precise and intelligent door movement control. - **Enhanced Performance & Durability**: Delivers smooth damping, silent operation, and reliable positioning. Its robust construction ensures long-term durability, making it suitable for various door types and usage scenarios.

12 Years of Damping Expertise + Dual Quality Certifications: The Foundation of Trust As a pioneering high-tech force in hydraulic damping technology for 12 years, Hongfeng Zhiyang has honed the core of damping innovation to craft top-tier hardware. Its Multi-Function Buffer Series isn’t just compliant with standards—it exceeds them: certified to ISO 9001:2015 and aligned with national GB/T19001-2016 norms, every unit undergoes stringent multi-phase cyclic quality checks (overseen via ERP systems during production) and rigorous material validation. Backed by mature R&D, streamlined manufacturing, and end-to-end pre-sales consultation and after-sales service, this series has become a go-to for global furniture brands seeking uncompromised reliability. High-Performance Materials for Long-Lasting Durability: Engineered to Outlast Material selection is the backbone of the series’ resilience. Core components rely on POM (polyoxymethylene), a premium engineering plastic celebrated for exceptional mechanical robustness, low friction, and resistance to impacts and long-term aging—perfect for withstanding repeated buffering actions. For high-demand scenarios, specialized models get an upgrade: the HF-007B pairs a POM core with a stainless steel casing to boost rigidity and fend off deformation/corrosion, while the HF-10B uses a POM-metal composite structure, striking a balance between lightweight construction and heavy-load capability. Supporting parts (ABS brackets, Q235 steel fasteners, SPCC cold-rolled steel fittings) are chosen for their unique strengths, ensuring the entire system works in harmony. All-Climate Adaptability + Stellar Durability: Performs Anywhere, Every Time This buffer isn’t limited by environment: it maintains stable function across a temperature tolerance spanning -45°C to +50°C, working flawlessly in frigid northern winters and sweltering southern summers. A regulated working speed of ≤0.5m/s ensures smooth, jolt-free operation, while a fixed 50mm stroke guarantees consistent buffering results no matter the application. Its durability is equally impressive: each unit boasts an operational lifespan exceeding 50,000 cycles and a maximum load capacity of 50KGS—well surpassing the routine demands of residential and commercial use, even with frequent daily operation. Versatile Applications + User-Friendly Design: Smart for Furniture, Better for Users Tailored to modern furniture and interior hardware needs, the series shines across scenarios: it minimizes closure noise for indoor sliding doors (preventing slamming and protecting frames), enables gentle closure for large drawers (safeguarding internal items and extending rail life), and offers the HF-S35 single-spring variant—custom-built for three-section ball bearing buffer rails to deliver precise damping for high-end cabinetry. At its core, it delivers a smooth, silent closing experience: by efficiently absorbing kinetic energy, it eliminates the harsh noise of traditional closures, turning daily furniture interactions into seamless moments. Plus, it’s designed for practicality: models like the HF-011 and HF-012 come with full accessory kits (brackets, connectors, tension springs, set screws) for effortless installation/removal (no extra tools needed), while selected units use high-grade sealing solutions to stop oil leakage—preserving aesthetics and avoiding furniture contamination.

12 Years of Pioneering Damping Expertise – Not Just Experience, But Innovation Legacy Hongfeng Zhiyang isn’t just a hydraulic brand; it’s a 12-year innovator that’s redefined damping tech from the ground up. Unlike generic hardware makers, we’ve turned decades of expertise into tangible upgrades – think “refined core damping mechanisms” instead of “basic buffering,” making every product a result of intentional innovation, not just iteration. Material Innovation: POM Reimagined for Damping – Beyond “Durable,” It’s “Engineering-Grade Tough” We skipped standard plastics – our buffers rely on POM (polyoxymethylene) reengineered for damping needs. This isn’t ordinary plastic: it resists impacts, fights aging, and keeps friction ultra-low (so closures stay smooth for years). For high-demand use? HF-007B adds a stainless steel shell (no more warping!), while HF-10B blends POM with metal – lightweight yet tough enough for heavy loads. Extreme-Condition Resilience – A Damping Breakthrough for Any Climate Forget buffers that fail in cold or heat: our innovation lies in -45°C to +50°C operational stability. Whether it’s a freezing northern winter or sweltering southern summer, this buffer performs like it’s in a climate-controlled room – a game-changer for furniture used in diverse regions. Adaptive Damping Tech – No More “Too Slow” or “Too Jarring” Traditional buffers force a one-size-fits-all feel (either sluggish or abrupt). Our innovation? A precision-adjusted damping mechanism that adapts to how doors/drawers move: it slows just enough to eliminate slams, but never so much that you’re waiting for closures. It’s the “just right” feel other brands can’t match. Whisper-Soft Closing Innovation – Turn “Loud Slams” Into “Unnoticeable Glides” This isn’t just “quiet” – it’s whisper-soft damping that redefines daily comfort. Our kinetic energy absorption tech mutes closures so effectively, you won’t wake a sleeping family member or disrupt a quiet office. It’s not just a feature; it’s a “peaceful space upgrade” for homes and workplaces. Leak-Proof Sealing – Solved a Long-Standing Hydraulic Buffer Pain Point Traditional hydraulic buffers leak oil, ruining furniture and reducing performance. Our innovation? Premium sealing tech that locks oil in for good. No more stains on drawer liners or reduced damping power – it’s a simple fix to a problem that’s plagued the industry for years. Tool-Free Setup Innovation – Install in Minutes, No Pro Skills Needed We rethought “easy installation” with all-in-one kits (HF-011/HF-012) that include brackets, tension springs, even set screws – no specialty tools required. Whether you’re a furniture manufacturer or a DIY homeowner, you’ll cut installation time in half (no more hunting for missing parts!). HF-S35: Specialized Innovation for High-End Cabinetry Rails Most buffers struggle with three-section ball bearing rails – not ours. The HF-S35 single-spring buffer is custom-engineered for these high-end systems, delivering pinpoint damping that keeps luxury cabinets feeling premium. It’s innovation tailored to niche, high-demand needs. 50,000+ Cycle Durability – Innovation in Quality Control, Not Just Materials That 50,000-cycle lifespan (plus 50KGS load capacity) isn’t luck – it’s multi-stage cyclic inspections managed via ERP systems. Every buffer goes through rigorous testing to ensure it lasts, turning “short-term hardware” into “long-term furniture investments.” User-Centric Innovation: From “Functional” to “Enjoyable to Use” The biggest innovation? We designed this buffer around how you live. It’s not just about “working” – it’s about making closing a drawer, sliding a door, or opening a cabinet feel like a small, pleasant moment. It’s damping tech that doesn’t just serve your furniture – it serves you.

### 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. Core Technology Accumulation & Premium Material Selection We dedicate 12 years to the R&D and production of hydraulic dampers, gaining a firm grasp of core damping technologies. This commitment has led to breakthroughs in the hydraulic technology field and the acquisition of multiple patents. Meanwhile, we utilize a range of high-quality materials—including iron, pure steel, POM (polyoxymethylene), and stainless steel shells—that strike a balance between structural strength and corrosion resistance, adapting to diverse usage environments. 2. Authoritative Quality Certification & Stable Performance in Extreme Conditions Our products align with the national technical standard GB/T19001-2016, attain ISO 9001:2015 international quality management system certification, and pass SGS verification, with strict quality control implemented throughout the entire production process. Operating within a temperature range of -45℃~+50℃, they sustain steady performance even in extreme thermal environments, enabling adaptation to climate conditions across multiple regions. Additionally, top-tier sealing solutions are employed to effectively prevent oil leakage and seepage, ensuring long-term reliable operation of the dampers and reducing maintenance costs. 3. Flexible Customization, Easy Installation & Ultra-Long Service Life Key parameters of the dampers—such as size, shape, and pressure—can be flexibly tailored based on specific application needs, meeting the requirements of different terminal equipment. Designed with practicality in mind, the dampers feature a simple and convenient installation and disassembly process, which lowers construction complexity and improves assembly efficiency. In terms of durability, most products boast a service life of over 50,000 cycles of use, while some models can reach 100,000 cycles, significantly cutting down on replacement frequency. 4. Wide Application Coverage & Comprehensive Pre-Sales & After-Sales Support The dampers span scenarios including hinges, sliding doors, slide rails, wardrobes, stretching tables, indoor sliding doors, and large drawers, catering to the demands of fields like furniture manufacturing and industrial equipment. We also offer mature pre-sales advisory services and after-sales guarantee, and can provide customized solutions. At the same time, we leverage stable production capacity (along with future production capacity upgrade plans) to ensure timely supply for our clients.

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.

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.

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.

1. 12 Years of Focused R&D & Manufacturing in Core Hydraulic Damping With 12 years dedicated to R&D and manufacturing of hydraulic dampers, the team has firmly mastered core damping technologies, made key breakthroughs in hydraulic control fields, and obtained multiple patent certifications to strengthen technical competitiveness. 2. Authoritative Dual Quality System Certification Products comply with the national technical standard GB/T19001-2016, have obtained ISO 9001:2015 international quality management system certification and SGS certification, and implement strict full-process quality control to ensure consistent product reliability. 3. Multi-Scenario Precise Adaptation It covers three major fields: home furniture (wardrobes, household hinges, extendable dining tables), commercial furniture (office indoor sliding doors, display cabinet hinges), and industrial equipment (industrial slide rails, large storage drawers). It meets the diverse needs of daily use, high-frequency commercial use, and industrial heavy-load scenarios. 4. Flexible Customization with Efficient Delivery According to the unique needs of different terminal equipment, key parameters of dampers (size, shape, pressure) can be flexibly customized. For customized orders, the team provides rapid response and short production cycles to ensure on-time delivery matching customers’ project progress. 5. Stable Operation in Extreme Temperature Ranges The working temperature range covers -45℃~+50℃, maintaining stable performance in both extreme low-temperature and high-temperature environments, and adapting to climate conditions in various regions. 6. Leak-Proof Sealing & Long Service Life Adopting high-end sealing technology to avoid oil leakage and seepage, it ensures long-term reliable operation and reduces maintenance costs. Made of high-quality materials (iron, pure steel, POM, stainless steel shells) that balance strength and corrosion resistance, most products have a service life of over 50,000 cycles, with premium models reaching 100,000 cycles. 7. Convenient Installation & Comprehensive Service Support Designed for practicality, the installation and disassembly process is simple and efficient to lower construction difficulty. It also provides professional pre-sales consultation, customized solution design, reliable after-sales guarantees, and stable production capacity (with future expansion plans) to ensure on-time supply.