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Nanjing Henglande Machinery Technology Co., Ltd.
About us
Your Professional & Reliable Partner.
HLD is a professional manufacturing company specializing in research, development, design, and production of high-quality machinery products including “parallel twin-screw extruders,” “single-screw extruders,” as well as screw elements and kneading elements.We have more than 20 years of experience in the plastic machinery industry, we are one of the famous machinery manufacturers in China. Exports to more than 20 countries. Perfect design and service team, The factory is over 5000 square meters. ...
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Year Established

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Million+
Employees

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Million+
Customers Served

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Million+
Annual Sales
China Nanjing Henglande Machinery Technology Co., Ltd. HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
China Nanjing Henglande Machinery Technology Co., Ltd. DEVELOPMENT
Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
China Nanjing Henglande Machinery Technology Co., Ltd. MANUFACTURING
Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
China Nanjing Henglande Machinery Technology Co., Ltd. 100% SERVICE
Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

quality Twin Screw Extruder & Recycling Plastic Pelletizer manufacturer

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Nylon + Glass Fiber Compounding with Twin-Screw Extruder
Overview A global automotive parts supplier successfully improved the mechanical properties and dimensional stability of its parts by compounding nylon (PA66) with glass fibers using a twin-screw extruder. This case highlights the process, challenges, and benefits of glass-reinforced nylon production. Background The customer, a Tier 1 supplier to the automotive industry, was looking for a high-strength material for under-the-hood parts that could withstand high temperatures, mechanical stress, and chemical corrosion. Unfilled nylon lacked the required rigidity, while pre-mixes were costly and lacked flexibility for product-specific adjustments. Solution The company invested in a high-torque twin-screw extruder with a customized screw configuration optimized for fiber dispersion and melt uniformity at Henglan Machinery Technology Co., Ltd. (the Company) in Nanjing, China. Nylon 66 base resin is fed into the main hopper, while chopped glass fibers (30% by weight) are fed from the downstream side feed port to prevent fiber breakage. The extruder is equipped with a vacuum degassing system to remove moisture and volatiles, ensuring a stable and high-quality melt. Processing temperature was tightly controlled within the range of 270-290°C. Challenges Fiber breakage: Minimizing the shortening of glass fiber length during compounding is critical to maintaining mechanical strength. Moisture sensitivity: Nylon is extremely hygroscopic. Pre-drying and degassing during processing are critical to prevent hydrolysis and voids. Homogenous dispersion: Achieving uniform fiber distribution without agglomeration is critical for mechanical properties and surface quality. Results Mechanical properties: PA66 + 30% GF composites have tensile strengths exceeding 150 MPa and excellent dimensional stability. Production efficiency: In-house compounding reduces raw material costs by 20% compared to purchasing pre-compounded materials. Customization flexibility: Manufacturers can now fine-tune glass fiber content, additives (such as flame retardants or impact modifiers), and color to customer specifications. Conclusions This project demonstrates the value of in-house nylon + glass fiber compounding using a twin-screw extruder. It enables automotive suppliers to improve part performance, reduce material costs, and gain greater flexibility in product development.    
Enhancing PET Production with Masterbatch Coloring
Overview A leading PET bottle manufacturer in Southeast Asia successfully upgraded its production line by integrating masterbatch coloring technology, enhancing product quality and achieving greater color consistency. This case study explores the implementation process, challenges faced, and the benefits gained from this technological advancement. Background The company specializes in producing PET bottles for the beverage industry, supplying to major brands across the region. With increasing demand for vibrant and uniform bottle colors, the manufacturer sought to improve its traditional coloring methods, which often led to color inconsistency and high wastage rates. Solution Implementation After evaluating various options, the company opted for masterbatch coloring during the extrusion process. Using a twin-screw extruder, PET resin was mixed with color masterbatch directly during melt processing. This method ensured even dispersion of pigments, resulting in consistent color throughout the material. The twin-screw extruder’s high shear and mixing capabilities were crucial in achieving this uniformity. Additionally, the extruder allowed precise control over the pigment load, minimizing material waste and reducing production costs. Challenges and Solutions One of the initial challenges was optimizing the masterbatch ratio for different color intensities. Through multiple test runs and adjustments to the extrusion parameters, the ideal mixture was established, ensuring vibrant colors without affecting the PET’s mechanical properties. Furthermore, staff training was conducted to familiarize the production team with the new process, enhancing efficiency and reducing errors during color changes. Results and Benefits Improved Color Consistency: Masterbatch coloring significantly enhanced color uniformity across all PET bottles. Reduced Waste: The precise control of pigment dispersion minimized material wastage, cutting costs by 12%. Enhanced Production Efficiency: Faster color transitions and reduced downtime boosted overall productivity. Sustainability: The process also supported the company's sustainability goals by reducing pigment waste. Conclusion The integration of masterbatch coloring with twin-screw extrusion proved to be a game-changer for the manufacturer. It not only elevated the quality of PET bottles but also contributed to cost savings and environmental sustainability. This case study demonstrates the value of technological upgrades in modern plastic manufacturing.  
Breakthroughs in Twin-Screw Extruder Technology Drive New Material Applications
.gtr-container { font-family: 'Arial', sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; } .gtr-heading { font-size: 18px !important; font-weight: 700; color: #2a4365; margin: 20px 0 10px; padding-bottom: 5px; border-bottom: 2px solid #e2e8f0; } .gtr-subheading { font-size: 16px !important; font-weight: 600; color: #2c5282; margin: 15px 0 8px; } .gtr-content { font-size: 14px !important; margin-bottom: 12px; } .gtr-list { padding-left: 20px; margin: 10px 0; } .gtr-list li { margin-bottom: 8px; font-size: 14px !important; } .gtr-divider { height: 1px; background-color: #e2e8f0; margin: 20px 0; } I. Core Technology Upgrades: Intelligent Drive and Precision Manufacturing Lead Industry Transformation 1. Synergistic Breakthrough in High Torque and Low Energy Consumption New-generation twin-screw extruders enhance melting efficiency by 30%+ through optimized screw structures (e.g., deepened screw channels). Integrated with high-precision temperature control (±0.5℃), energy consumption reduces by 15%, meeting industrial-grade noise standards 2. Modular Smart Control System Implementation Domestic manufacturers enable full-process digital management with embedded sensors monitoring melt pressure, temperature, and dispersion uniformity. Intelligent modules cut failure rates by 40% and boost operational efficiency 25%, rivaling global benchmarks like Coperion's ZSK series 3. Multi-layer Co-extrusion Expands Functional Boundaries Synchronized extrusion of up to 7 material layers (e.g., PVC/PE/ABS) via composite flow channels and multi-directional feeding systems, enabling domestic production of high-barrier films and pipes with 98% material utilization II. Raw Material Application Innovations: Green Compatibility and High-performance Material Processing 1. Overcoming Processing Barriers for Bio-based Materials Low-shear screw configurations process heat-sensitive PLA/PHA at 135-160℃ without degradation, supporting eco-friendly packaging 2. Enhanced Engineering Plastic Modification Efficiency Optimized self-cleaning segments achieve glass fiber retention >0.8mm and dispersion uniformity ≤5% in PA/PC composites (40mm lab-grade models) 3. High-value Recycling Breakthrough Integrated melt filtration and online devolatilization remove >90% VOCs from recycled PET/PP, restoring near-virgin material properties III. New Directions in Domestic Manufacturing: Customization Empowers Global Markets Localized Tapered Twin-Screw TechnologyFoshan-developed conical units boost mixing efficiency 22%, capturing 30% market share in profile extrusion and exporting to 20+ countries Full Industrial Chain CollaborationCustomizable L/D ratios (32-60:1) and MFI compatibility (0.1-500g/10min) support medical tubes to automotive parts production

2025

08/01

How does Nanjing Henglande Machinery Technology Co., Ltd. ensure consistent quality in its Twin Screw Extruders for Southeast Asian markets?
    Consistency in machine performance is critical for manufacturers in Southeast Asia, where production runs are large and demand for high-quality products is growing. Nanjing Henglande Machinery Technology Co., Ltd. has developed a comprehensive system to guarantee the consistent quality of its Twin Screw Extruders.       The first step is strict material selection. Henglande sources high-grade steel and wear-resistant alloys for screws, barrels, and critical components. These materials withstand high temperatures, pressure, and continuous operation, ensuring long-lasting performance.       Secondly, the company employs advanced production technology. Precision machining, CNC equipment, and automated assembly processes are used to maintain tight tolerances. Each extruder is built with meticulous attention to detail, reducing the risk of mechanical errors and ensuring smooth operation.       Quality is further guaranteed through comprehensive testing procedures. Every Twin Screw Extruder undergoes trial runs before leaving the factory. Engineers test parameters such as torque stability, temperature control, and mixing efficiency. Only machines that meet stringent performance standards are shipped to clients.       In addition, Henglande adopts a continuous improvement approach. Feedback from Southeast Asian clients is collected and used to refine designs, enhance energy efficiency, and extend equipment lifespan. This client-focused approach ensures that each generation of machines performs better than the last.       Another factor is professional training and support. Henglande provides detailed guidance for installation and operation, ensuring customers can use the extruders correctly from day one. Proper use not only enhances performance but also maintains product quality throughout production cycles.       Finally, the company integrates global quality standards into its manufacturing process. Certifications, internal audits, and quality control documentation help maintain consistency across every batch of extruders.       In conclusion, Nanjing Henglande Machinery Technology Co., Ltd. ensures the consistent quality of its Twin Screw Extruders through high-grade materials, advanced manufacturing, strict testing, continuous improvement, and professional support. This commitment to quality has made Henglande a trusted supplier in the Southeast Asian market.

2025

08/28