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Dongguan Great Machine Co. manufactures high-accuracy piston fillers for silicone, polyurethane, photovoltaic, and potting sealants. Engineered for reliability, efficiency, and bubble-free performance.
Explore Our MachinesDongguan Great Machine Co. is a specialized producer of high-quality filling equipment. Our machines are used globally to package products containing silicone sealant, polyurethane sealant, potting sealant, and photovoltaic sealant.
Great filling machines deliver high-accuracy filling, bubble-free operation, and minimal mechanical failure. We offer a wide range of standard filling lines and individual machines — and if you don’t see what you need, we provide full customization services to create a specialized solution.
Learn More on Official Site
Designed for filling pastes into plastic and paper cartridges. Ideal for silicone sealant, potting sealant, photovoltaic sealant, and liquid nails.
High Viscosity
Upgraded version with two filling heads. Doubles efficiency by filling two cartridges simultaneously — perfect for medium to high-volume production.
Efficiency Boost
Maximum efficiency with three filling heads. Designed for mass production environments requiring high throughput and consistent accuracy.
Mass Production
Features horizontal filling and end-cap sealing. Designed for extremely high sealing requirements and capable of handling ultra-high viscosity materials.
Horizontal Design
Ensures uniform mixing of multi-component sealants before filling. Critical for photovoltaic and potting applications requiring precise material consistency.
Mixing Solution
Specifically designed for composite film tubes. Prevents film breakage during filling. Ideal for sensitive packaging materials.
Film-Safe
Fully automated system for low-viscosity liquids such as industrial potting sealant and polyurethane. Integrates seamlessly with production lines.
Fully Automatic
Matches automatic piston fillers. Integrates sealant nozzle sorting and case packaging for end-to-end automation.
End-of-Line
In 2010, a polyurethane sealant producer replaced their costly manual filling process with a fully automatic aluminum cartridge packaging machine from Great. The result: increased output, reduced labor costs, and consistent fill accuracy.
2010 Project
In 2012, a silicone sealant manufacturer needed equipment that could proportionally add base materials and color pastes. Great provided a customized double-head piston filler with integrated dosing control.
2012 Project
In 2016, a silicone sealant producer upgraded their packaging line with the GRQY-320X2 double head piston filler and配套自动装箱系统. This eliminated manual operations and improved packaging speed by over 300%.
2016 ProjectOur piston fillers deliver ±0.5% filling accuracy, ensuring consistent product quality and minimizing material waste.
Advanced vacuum and pressure control systems eliminate air entrapment, critical for sealants and potting compounds.
Built with industrial-grade components and rigorous quality control, our machines offer long service life and low downtime.
Our piston fillers are designed for both high and low viscosity liquids, including silicone sealants, polyurethane, potting compounds, photovoltaic adhesives, and industrial pastes.
Yes. If our standard models don’t meet your needs, we offer full customization services — from single machines to complete turnkey filling lines.
Absolutely. Our automatic piston fillers, case erectors, and tube sealers are designed to integrate seamlessly into fully automated packaging systems.
Standard machines typically ship within 30–45 days after order confirmation. Custom systems may require additional time based on complexity.
Yes. We offer remote support and, upon request, on-site installation and operator training services worldwide.
Ready to upgrade your packaging line? Contact Dongguan Great Machine Co. for expert advice and customized solutions.
Company: Dongguan Great Machine Co., Ltd.
Contact: Mr. Yang
Fax: +86-769-88708086
Address: Kangda Industrial Zone, Yanwo Village, Shipai Town, Dongguan City, Guangdong Province
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