# China Injection Molding Screws & Barrels Manufacturer - HAPPY PLASTICS > Top-rated China manufacturer of high-quality injection molding, extrusion, and rubber screws & barrels. ISO9001 certified. Customized & durable in-stock products. ## Home - [Home](https://www.happy-machinery.com/) ## Company Profile - [Company Profile](https://www.happy-machinery.com/about.html) - [Send Inquiry](https://www.happy-machinery.com/message.html) - [Contact Us](https://www.happy-machinery.com/contact.html) ## Products - [Products](https://www.happy-machinery.com/products.html) - [Injection Molding Machine Barrel](https://www.happy-machinery.com/injection-molding-machine-barrel) - [Injection Molding Machine Screw](https://www.happy-machinery.com/injection-molding-machine-screw) - [Single Screw For Extrusion Machine](https://www.happy-machinery.com/single-screw-for-extrusion-machine) - [Twin Screw and Barrel For Extrusion Machine](https://www.happy-machinery.com/twin-screw-and-barrel-for-extrusion-machine) - [Screw and Barrel For Rubber Machine](https://www.happy-machinery.com/screw-and-barrel-for-rubber-machine) - [Accessories of Screw and Barrel](https://www.happy-machinery.com/accessories-of-screw-and-barrel) - [Special Screws And Barrels](https://www.happy-machinery.com/special-screws-and-barrels) - [Extruder Gearbox](https://www.happy-machinery.com/extruder-gearbox) - [Integrated Extruder Gearbox](https://www.happy-machinery.com/integrated-extruder-gearbox.html) - [Horizontal Single-Screw Extruder Gearbox](https://www.happy-machinery.com/horizontal-single-screw-extruder-gearbox.html) - [PVD Coated Screw](https://www.happy-machinery.com/pvd-coated-screw.html) - [PTA Bimetallic Screw](https://www.happy-machinery.com/pta-bimetallic-screw.html) - [PET Special Screws and Barrels](https://www.happy-machinery.com/pet-special-screws-and-barrels.html) - [PVC Special Screws and Barrels](https://www.happy-machinery.com/pvc-special-screws-and-barrels.html) - [Screw Barrel Hinge Pin](https://www.happy-machinery.com/screw-barrel-hinge-pin.html) - [Screw Barrel Head and Nozzle](https://www.happy-machinery.com/screw-barrel-head-and-nozzle.html) - [Rubber Extrusion Screw and Barrel](https://www.happy-machinery.com/rubber-extrusion-screw-and-barrel.html) - [Extruder Feed Screw And Barrel](https://www.happy-machinery.com/extruder-feed-screw-and-barrel.html) - [Silicone Rubber Screw Barrel](https://www.happy-machinery.com/silicone-rubber-screw-barrel.html) - [Conical Twin Screw and Barrel](https://www.happy-machinery.com/conical-twin-screw-and-barrel.html) - [Extruder Twin Parallel Screw Barrel](https://www.happy-machinery.com/extruder-twin-parallel-screw-barrel.html) - [Parallel Twin Screw and Barrel](https://www.happy-machinery.com/parallel-twin-screw-and-barrel.html) - [Mini Extruder Screw](https://www.happy-machinery.com/mini-extruder-screw.html) - [Single Extrusion Screw](https://www.happy-machinery.com/single-extrusion-screw.html) - [PVC Single Screw Barrel](https://www.happy-machinery.com/pvc-single-screw-barrel.html) - [Injection Machines Bimetallic Screw](https://www.happy-machinery.com/injection-machines-bimetallic-screw.html) - [Plastic Injection Machine Screw](https://www.happy-machinery.com/plastic-injection-machine-screw.html) - [Injection Screw Head](https://www.happy-machinery.com/injection-screw-head.html) - [Screw for YIZUMI Injection Machine](https://www.happy-machinery.com/screw-for-yizumi-injection-machine.html) - [Screw for Chen Hsong Injection Machine](https://www.happy-machinery.com/screw-for-chen-hsong-injection-machine.html) - [Screw for HAITIAN Injection Machine](https://www.happy-machinery.com/screw-for-haitian-injection-machine.html) - [Halogen-Free Screw](https://www.happy-machinery.com/halogen-free-screw.html) - [Plastic Injection Screw And Barrel](https://www.happy-machinery.com/plastic-injection-screw-and-barrel.html) - [Inject Mold Screw Barrel](https://www.happy-machinery.com/inject-mold-screw-barrel.html) - [Barrel for YIZUMI Injection Machine](https://www.happy-machinery.com/barrel-for-yizumi-injection-machine.html) - [Barrel for HAITIAN Injection Machine](https://www.happy-machinery.com/barrel-for-haitian-injection-machine.html) - [Barrel for Chen Hsong Injection Machine](https://www.happy-machinery.com/barrel-for-chen-hsong-injection-machine.html) ## News - [News](https://www.happy-machinery.com/news.html) - [Company News](https://www.happy-machinery.com/news/company-news) - [Industry News](https://www.happy-machinery.com/news/industry-news) - [How Does an Injection Screw Head Improve Plasticizing Performance in Injection Molding?](https://www.happy-machinery.com/news/how-does-an-injection-screw-head-improve-plasticizing-performance-in-injection-molding.html) - [How Does an Inject Mold Screw Barrel Improve Injection Molding Performance?](https://www.happy-machinery.com/news/how-does-an-inject-mold-screw-barrel-improve-injection-molding-performance.html) - [How Does Injection Machines Bimetallic Screw Improve Plastic Processing Performance?](https://www.happy-machinery.com/news/how-does-injection-machines-bimetallic-screw-improve-plastic-processing-performance.html) - [How Does a Barrel for Chen Hsong Injection Machine Improve Injection Molding Performance?](https://www.happy-machinery.com/news/how-does-a-barrel-for-chen-hsong-injection-machine-improve-injection-molding-performance.html) - [What Makes Barrel for YIZUMI Injection Machine Essential for Better Plastic Manufacturing Performance?](https://www.happy-machinery.com/news/what-makes-barrel-for-yizumi-injection-machine-essential-for-better-plastic-manufacturing-performance.html) - [What Makes Plastic Injection Screw And Barrel Essential for High-Performance Plastic Processing?](https://www.happy-machinery.com/news/what-makes-plastic-injection-screw-and-barrel-essential-for-high-performance-plastic-processing.html) - [What Is an Extruder Gearbox and How Does It Work in Plastic Processing?](https://www.happy-machinery.com/news/what-is-an-extruder-gearbox-and-how-does-it-work-in-plastic-processing.html) - [How Does a Single Screw For Extrusion Machine Improve Plastic Processing Performance?](https://www.happy-machinery.com/news/how-does-a-single-screw-for-extrusion-machine-improve-plastic-processing-performance.html) - [How Does an Injection Molding Machine Screw Improve Plastic Processing Performance?](https://www.happy-machinery.com/news/how-does-an-injection-molding-machine-screw-improve-plastic-processing-performance.html) - [Installation of Extruder Twin-Screw Barrel](https://www.happy-machinery.com/news/installation-of-extruder-twin-screw-barrel.html) - [What Is the Pressure of the Rubber Machine Screw Barrel?](https://www.happy-machinery.com/news/what-is-the-pressure-of-the-rubber-machine-screw-barrel.html) - [Working Principle of Injection Molding Machine Barrel](https://www.happy-machinery.com/news/working-principle-of-injection-molding-machine-barrel.html) ## Language - [Español](https://es.happy-machinery.com/) - [Português](https://pt.happy-machinery.com/) - [русский](https://ru.happy-machinery.com/) - [Français](https://fr.happy-machinery.com/) - [日本語](https://ja.happy-machinery.com/) - [Deutsch](https://de.happy-machinery.com/) - [tiếng Việt](https://vi.happy-machinery.com/) - [Italiano](https://it.happy-machinery.com/) - [Nederlands](https://nl.happy-machinery.com/) - [ภาษาไทย](https://th.happy-machinery.com/) - [Polski](https://pl.happy-machinery.com/) - [한국어](https://ko.happy-machinery.com/) - 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