Frequently Asked Questions

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Can your equipment seamlessly integrate advanced flexographic printing or high-precision embossing units?

Absolutely. At DeChangYu, our modular machinery design allows for the seamless integration of advanced multi-color flexographic printing modules, 3D high-precision embossing, and edge-embossing units, tailored strictly to your specific product designs.

Our engineering standards and manufacturing capabilities are globally recognized for rivaling the top-tier machinery manufacturers in Europe and North America. We deliver the exact same level of precision, high-speed stability, and durability, but with a significantly optimized Return on Investment (ROI) for your facility.

Backed by 40 years of deep industry expertise, we have successfully exported our high-end tissue converting solutions to over 160 countries and regions. Our proven track record of technological excellence has enabled us to cooperate with global tissue industry giants, and our equipment is trusted by manufacturing facilities producing for top-tier brands like Procter & Gamble (P&G) and Kimberly-Clark.

Whether you require intricate lotion application, precise color registration at high speeds, or complex glue-laminated embossing patterns (DEC/DES), our mature technology ensures flawless execution.

Upgrade Your Premium Product Line: Looking to produce premium tissue products that stand out on retail shelves? Contact our technical design team to discuss your specific printing and embossing requirements, or request physical tissue samples produced directly by our high-end converting lines.

Do you facilitate Factory Acceptance Testing (FAT) or virtual inspections prior to shipment?

Absolutely. At DeChangYu, we consider the Factory Acceptance Test (FAT) a mandatory quality assurance milestone, not just an optional service. Our ultimate goal is to ensure your converting line is 100% "plug-and-play" ready the moment it arrives at your facility.

We offer highly transparent and flexible FAT options to accommodate our global clients:

  • On-Site FAT: We warmly welcome you or your designated third-party inspection agency (e.g., SGS, TÜV) to visit our manufacturing base. Your engineering team can personally verify the machine's performance, construction quality, and safety protocols.

  • Virtual / Remote FAT: For clients unable to travel, we conduct comprehensive, live-streamed FAT sessions. During this live broadcast, we will demonstrate the equipment running continuously at its maximum guaranteed speed, execute emergency stop tests, and walk you through the HMI/PLC interfaces.

  • Custom Material Testing: To guarantee perfect compatibility, you can ship samples of your specific jumbo rolls and packaging films to our factory. We will conduct the FAT using your actual raw materials.

  • Comprehensive Documentation: Before initiating the final crating and shipment, we provide a detailed FAT checklist report, high-definition unedited videos of the test run, and we can even air-freight the finished tissue samples to your office for physical quality confirmation.

Experience Our Quality Standards: We never ship a machine until you sign off on its performance. Contact our project management team to request a sample FAT report or a video demonstration from one of our recent international deliveries.

Are DeChangYu converting machines equipped with smart diagnostics or remote monitoring capabilities?

Yes. To ensure maximum uptime and provide immediate technical support across different global time zones, DeChangYu integrates advanced smart diagnostics and offers secure remote monitoring modules for our modern converting lines.

We utilize a two-tier approach to machine intelligence to keep your production running smoothly:

  • On-Site Smart Diagnostics (HMI): Our intuitive, multi-language Human-Machine Interfaces (HMI) feature built-in diagnostic systems. If an anomaly occurs during production (e.g., a web break, low pneumatic pressure, or a tripped safety sensor), the HMI instantly triggers an alarm, displays the exact error code, pinpoints the physical location of the issue, and provides step-by-step troubleshooting guidance for your local operators.

  • Remote Maintenance & IoT Troubleshooting: For more complex software or logic issues, our machines can be equipped with secure industrial IoT routers. With your explicit authorization, DeChangYu's electrical engineering team can remotely access the machine's PLC system via a secure VPN connection. This allows us to run real-time logic diagnostics, tweak running parameters, and push software updates directly from our headquarters—drastically reducing downtime and saving you the immense cost of flying an engineer overseas.

  • Production Data Tracking: Factory managers can easily track real-time production metrics, including running speed, shift output, and overall equipment effectiveness (OEE), empowering you to make data-driven operational decisions.

Future-Proof Your Production Line: Are you ready to minimize maintenance downtime? Contact our technical sales team to learn more about equipping your new DeChangYu converting line with our Smart IoT and Remote Support package.

How does your machinery design minimize paper waste and improve overall yield?

At DeChangYu, we engineer our converting lines with a strict focus on maximizing your raw material ROI. We understand that in tissue manufacturing, minimizing paper waste directly translates to higher profitability.

Our machinery achieves a consistent overall yield rate of over 98% through several advanced technological integrations:

  • Servo-Driven Web Tension Control: We utilize high-precision servo motors and stepless speed regulation to maintain optimal web tension from the unwinding stand to the rewinder. This prevents over-stretching and drastic tension fluctuations, significantly reducing the chance of web breaks.

  • Automated Web Guiding System (EPC): Our machines are equipped with edge position control sensors that automatically align the jumbo roll during operation. This ensures perfect edge-to-edge alignment, minimizing the necessary trim width and reducing edge waste to the absolute minimum.

  • Smart Break-Detection Sensors: Intelligent sensors monitor the paper web in real time. If a web break is detected, the machine triggers an immediate auto-stop, preventing massive paper jams and material loss within the machine rollers.

  • Precision Splicing and Tail Sealing: For toilet roll and kitchen towel lines, our optimized tail-sealing technology ensures precise glue application (or glue-free sealing), eliminating messy ends and reducing the amount of rejected rolls during the final packaging phase.

Maximize Your Profit Margins: Every millimeter of saved paper adds to your bottom line. Contact our technical sales team today to learn more about our waste-reduction designs or to request a detailed ROI calculation for your specific jumbo roll specifications.

What is the maximum stable operating speed and daily output of your core converting lines?

The maximum stabletissue converting machine speed and daily output depend entirely on the specific machinery model, your final product specifications, and the complexity of the converting process (such as the inclusion of lamination, edge-embossing, or color printing).

Because DeChangYu manufactures a comprehensive range of equipment, the technical parameters differ significantly across categories. For example, the output metrics for our high-speed toilet paper rewinders are calculated in meters per minute (m/min), whereas our multi-lane facial tissue folders and napkin machines are measured in logs or sheets per minute. Furthermore, your actual daily yield will be directly influenced by your specific jumbo roll parameters (width, grammage) and the target mechanical efficiency of your facility.

Get a Customized Production Projection: We believe in providing precise, data-driven solutions rather than generic estimates. Please contact our engineering team with your specific product requirements (ply count, target dimensions, and expected daily tonnage). We will analyze your operational needs and provide a tailored technical proposal, complete with exact operating speeds, guaranteed daily output metrics, and the optimal machine configuration for your factory.

How do I calculate the 8-hour production capacity of a tissue paper converting machine?

Understanding your tissue converting machine capacity is crucial for facility planning, inventory management, and ROI calculation.

8-Hour Output (kg) = [ Web Width (m) × Speed (m/min) × Grammage (g/m²) × Plies × 480 mins × Mechanical Efficiency ] ÷ 1000

Here is a breakdown of what each variable means:

  • Web Width (m): The effective working width of the jumbo paper roll you are processing.

  • Machine Speed (m/min): The operational running speed of the converting line.

  • Grammage (g/m²): The basis weight (thickness) of a single layer of tissue paper.

  • Plies: The number of layers in your finished product (e.g., 2-ply, 3-ply).

  • 480 mins: The total number of minutes in a standard 8-hour shift (8 hours × 60 minutes).

  • Mechanical Efficiency (%): This is a critical real-world factor. It accounts for the actual running time after deducting inevitable stops for jumbo roll changes, web breaks, or daily maintenance. A high-quality line typically operates at 80% to 95% efficiency.

  • ÷ 1000: This converts the final result from grams into kilograms (kg) for standard industrial measurement.

Calculation Example: Let's assume you are running a DeChangYu high-speed rewinder to produce standard 2-ply toilet paper with the following parameters:

  • Web Width: 2.85 meters

  • Machine Speed: 200 meters/minute

  • Grammage: 15 g/m²

  • Plies: 2

  • Mechanical Efficiency: 90% (0.90)

The Math: (2.85 × 200 × 15 × 2 × 480 × 0.90) ÷ 1000 = 7,387.2 kg

Conclusão: Under these operational parameters, the machine will realistically produce 7,387.2 kg (approx. 7.38 tons) of tissue paper per 8-hour shift.

Need help calculating the exact capacity required for your facility layout? > Contact DeChangYu's engineering team today with your target production goals, and we will provide a free capacity assessment and a customized machinery configuration plan

How does DeChangYu handle shipping and global logistics for heavy machinery?

hipping heavy tissue machinery requires specialized expertise. At DeChangYu, we provide end-to-end global logistics solutions specifically tailored for oversized industrial equipment to ensure safe and timely delivery.

Industrial Packaging & Protection: All converting lines are treated with anti-rust oils, vacuum-sealed in moisture-proof foil, and securely fastened inside heavy-duty, fumigated wooden crates to withstand long-haul ocean freight.

Professional Container Loading: Our experienced logistics team professionally loads and safely lashes the equipment into standard 40HQ, Open Top, or Flat Rack containers directly at our manufacturing facility.

Customs & Documentation: We partner with top-tier international freight forwarders, supporting flexible trade terms (EXW, FOB, CIF). We provide a comprehensive set of precise export documents—including the Bill of Lading (B/L), Certificate of Origin (CO), Commercial Invoice, and detailed Packing Lists—ensuring seamless customs clearance at your destination port.

What quality control systems and manufacturing standards do you follow?

At DeChangYu, precision engineering and rigorous quality control are the foundations of our 40-year manufacturing legacy. Our state-of-the-art facility operates under the strict ISO 9001:2015 Quality Management System.

As a premier manufacturer of tissue machinery, we adhere to the highest international manufacturing standards to guarantee long-term operational stability. Our comprehensive QC protocol includes:

  • Precision Machining: Utilizing advanced CNC centers to ensure micro-level accuracy for all critical mechanical components, particularly in our high-speed folding and embossing units.

  • Electrical & Safety Compliance: All converting lines are engineered to meet stringent global safety regulations, inherently holding CE certifications for the European market and offering UL compliance capabilities for North American clients.

  • Rigorous Testing (FAT): Beyond standard raw material and in-process inspections, every machine undergoes a mandatory Factory Acceptance Test (FAT). We run the equipment at high speeds using actual paper web materials before shipment, ensuring flawless performance right out of the box.

Can DeChangYu customize machinery to meet specific technical and production requirements?

Absolutely. When you are looking for custom tissue converting machinery, DeChangYu is fully equipped to meet your exact technical specifications.

We understand that every manufacturing facility operates with unique production goals, spatial layouts, and regional compliance standards. Our expert engineering team will consult with you to deeply customize the equipment. This includes:

  • Adjusting dimensions for specific web-like materials and factory footprints.

  • Modifying performance parameters like production speed and folding mechanisms.

  • Integrating advanced modules, such as precise registration systems for printing.

  • Accommodating specific electrical components (e.g., preferred PLC/servo brands) to meet local safety certifications like CE or UL.

We ensure the final production line perfectly aligns with your operational ecosystem.

Do you offer OEM (Original Equipment Manufacturer) or ODM (Original Design Manufacturer) services?

Yes, DeChangYu provides comprehensive OEM and ODM services specifically tailored for the tissue paper converting industry.

Backed by our robust in-house R&D and engineering teams, we possess the technical capability to design and manufacture machinery that strictly meets your operational requirements. Our custom solutions include:

  • Custom Machine Configurations: Tailoring dimensions, speed parameters, and automated workflows to fit specific factory layouts and production goals.

  • Specialized Components: Developing custom embossing patterns, integrating flexographic or offset printing units, and adapting precision folding mechanisms for unique paper web materials.

  • Private Labeling & Branding: Applying your brand identity, custom color schemes, and localized control panel languages (HMI) to the equipment.

From initial mechanical engineering schematics to final manufacturing, testing, and installation, we partner seamlessly with you to deliver high-performance converting lines built exactly to your specifications.

Where are you located, and do you serve international clients?

As a leading global tissue machinery supplier, our headquarters and state-of-the-art manufacturing facilities are located in Foshan, Guangdong, China. We possess a robust global supply chain and export network, allowing us to seamlessly serve clients worldwide.

To date, DeChangYu has successfully delivered our high-performance converting machinery to over 160 countries and regions across North America, Europe, Asia, and beyond.

We are the trusted, long-term equipment supplier for some of the world’s most renowned tissue brands. Domestically, we proudly partner with leading Chinese enterprises such as Hengan Group, C&S Paper, Liansheng Paper, and Vinda . Internationally, our esteemed client portfolio includes industry giants like P&G, Kimberly-Clark, APP,FTP, New Toyo Pulppy, and C.A.S Paper. Our extensive global footprint ensures we have the experience and capability to support international clients with world-class machinery and reliable service.

What is DeChangYu's Expertise in Tissue Paper Converting Machinery?

With a proud 40-year history of manufacturing excellence, Foshan DeChangYu Paper Machinery Manufacture Co., Ltd. (DCY) is recognized as a leading enterprise in China's tissue paper converting machinery industry.

Our core expertise lies in the research, development, and production of advanced, fully automated post-processing and converting equipment. We deliver comprehensive, high-performance production lines for a wide range of products, including facial tissues, napkins, toilet rolls, and dispensable towels.

Backed by four decades of industry-leading R&D, we possess deep technical capabilities in precision folding, advanced embossing systems, and integrated flexographic and offset printing. We are dedicated to providing our global clientele with highly efficient, reliable, and customized converting solutions designed to maximize production capacity, ensure superior product quality, and drive long-term business growth.

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