<![CDATA[Zhoushan Nanhaiya Plastic Machinery Co., Ltd.]]>enThu, 08 Oct 2026 16:45:30 GMTThu, 08 Oct 2026 16:45:30 GMT<![CDATA[Black Specks in Clear Pellets: Is the Screw at Fault?]]>news-1092<![CDATA[How to Specify a PS Foaming Single Screw]]>news-1091<![CDATA[How to specify a granulation parallel twin screw before ordering]]>news-1090<![CDATA[Glass-filled nylon injection molding screw: specify the wear system, not just the diameter]]>news-1089<![CDATA[Mutant vs gradual injection molding screw: how to choose the compression profile]]>news-1088<![CDATA[How to specify a high-speed single screw for PE and PP extrusion]]>news-1087<![CDATA[How to specify a single screw for glass-filled, mineral-filled and recycled plastics]]>news-1086<![CDATA[Plastic extruder gearbox buying guide: match torque, ratio and machine interface]]>news-1085<![CDATA[Extruder barrel flange buying guide: specify the interface before ordering]]>news-1084<![CDATA[WPC extrusion mould buying guide: from profile drawing to line acceptance]]>news-1083<![CDATA[Pipe extrusion die head buying guide: what to specify before you order]]>news-1082<![CDATA[Parallel twin screw barrel clearance: what to measure before replacement]]>news-1081<![CDATA[How to specify a parallel twin screw barrel for high-filled PVC]]>news-1080<![CDATA[Injection molding screw recovery time too long? What to check before replacing the screw]]>news-1079<![CDATA[How to specify a conical twin screw barrel for PVC foam board]]>news-1078<![CDATA[Single-screw vs parallel twin-screw pelletizing line: which one fits your material?]]>news-1077<![CDATA[Planetary screw vs single and twin screw: when is the upgrade worth it?]]>news-1076<![CDATA[Injection molding screw tip selection: check ring wear, fit and RFQ checklist]]>news-1075<![CDATA[Nitrided vs bimetallic single screws: match the surface to the resin and filler]]>news-1074<![CDATA[Screw speed, melt temperature and output: why one setting changes the others]]>news-1073<![CDATA[How to clean a single screw extruder without damaging the screw or barrel]]>news-1072<![CDATA[Single screw design for granulation: venting, mixing and recycled feedstock]]>news-1071<![CDATA[How to choose a single screw for LDPE, LLDPE and HDPE film blowing]]>news-1070<![CDATA[How to measure single screw and barrel wear before replacement]]>news-1069<![CDATA[Should you replace only the screw or both the screw and barrel?]]>news-1068<![CDATA[Barrier Screw vs Conventional Screw vs Mixing Screw: What Changes in the Melt?]]>news-1067<![CDATA[Why Does a Single Screw Extruder Surge? A Step-by-Step Diagnostic Guide]]>news-1066<![CDATA[How to Specify a Replacement Single Screw: Measurements, Drawings and RFQ Checklist]]>news-1065<![CDATA[How Screws and Barrels Are Manufactured: A Factory-Stage Guide]]>news-1064<![CDATA[Parallel Twin Screw Extruder: How Co-Rotating Compounding Works]]>news-1063<![CDATA[Single Screw Barrel: L/D, Screw Types & How to Choose by Polymer]]>news-1062<![CDATA[Twin Screw Extruder: Types, How It Works & How to Choose]]>news-1061<![CDATA[Parallel Twin Screw Barrel: Co-rotating vs Counter-rotating, Types & Applications]]>news-1060<![CDATA[Which Conical Twin Screw Barrel for PVC? Pipe vs Board vs Sheet]]>news-1059<![CDATA[Conical Twin Screw Extruder: How It Works, Specs & Selection Guide]]>news-1058<![CDATA[Conical Twin Screw Barrel: Complete Guide to Specs, Applications & Selection]]>news-1057<![CDATA[5 Signs Your Injection Molding Screw Barrel Needs Replacement]]>news-1056<![CDATA[How to Choose the Right Screw Barrel for Your Injection Molding Machine]]>news-1055<![CDATA[Injection Screw L/D Ratio: How It Affects Shot Size and Quality]]>news-1052<![CDATA[What Is a Conical Twin Screw Barrel and How Does It Work?]]>news-1051<![CDATA[What Is a Parallel Twin Screw Barrel and How Does It Work?]]>news-1049<![CDATA[Injection Molding Screw Barrel: Selection, Maintenance & Troubleshooting]]>news-1048<![CDATA[Screw Barrel for WPC Extrusion: How to Stop Wood-Plastic Wear]]>news-1047<![CDATA[Screw Barrel for PVC Pipe Extrusion: How to Specify the Right One]]>news-1046<![CDATA[Extruder Screw Barrel: The Complete Guide to Types, Materials & Selection]]>news-1045<![CDATA[Conical vs Parallel Twin Screw Extruder: Which One for Your Line?]]>news-1044<![CDATA[When to Replace a Worn Screw Barrel: Signs, Wear Tolerances & Repair vs Replace]]>news-1042<![CDATA[What Makes Planetary Screw a Micro-Machining Peak?]]>news-731<![CDATA[How Injection Nozzle Enhances Plastic Manufacturing Efficiency]]>news-730<![CDATA[How can the screw meet wear resistance and high-precision processing requirements?]]>news-729<![CDATA[What Causes Premature Wear on Single Screw Surfaces?]]>news-559<![CDATA[How Does Parallel Twin Screw Work?]]>news-336<![CDATA[How Does a Bimetallic Conical Twin Screw Improve Extrusion Performance?]]>news-5<![CDATA[The working process and operation precautions of the twin-screw foam granulator]]>news-4<![CDATA[Zhoushan Nanhaiya brought high wear-resistant barrels and screws to the Shenzhen and Tashkent Rubber and Plastics Exhibitions.]]>news-3<![CDATA[Why do black lines appear repeatedly in the extruder? This article teaches you how to quickly determine whether it is caused by a problem with the barrel or screw.]]>news-2<![CDATA[Focus on the 18th China Wood Plastics Summit Forum: Zhoushan Nanhaiya appeared at the conference as one of China's largest suppliers of conical twin-screw barrels for WPC.]]>news-1