As the Christmas lights shine across the world, we at YINKO want to take a moment to send our warmest wishes to all our friends, partners, and customers across the globe.   2025 has been a year full of collaboration, growth, and innovation. Whether you are a long-time partner or a new friend we met this year, we are truly grateful for your trust and support.   From India to Vietnam, from Europe to South America, from paper cup machines to PLA straw production lines, we’ve had the honor of supporting incredible businesses like yours. Your success stories inspire us every single day.   This Christmas, our team at YINKO wishes you and your family peace, joy, and good health. May your holiday season be filled with warmth and your new year bring even more success and happiness.   Thank you for being a part of the YINKO journey.   Merry Christmas & Happy New Year! 🎄✨

In the past two months, YINKO Machine has successfully completed a series of equipment deliveries to clients across Asia, Europe, and South America, reaffirming our position as a trusted global supplier of high-performance straw production lines.   These shipments reflect our dedication to delivering reliable, cost-effective, and sustainable manufacturing solutions to meet the growing global demand for eco-friendly and automated straw production systems.     🚚 Delivered Machines at a Glance   🟢 1. PLA Straw Making Machine Our PLA (Polylactic Acid) straw extrusion line is designed for biodegradable and compostable straw production. Made from renewable resources like corn starch, these straws are an ideal alternative to traditional plastic, especially in markets with plastic bans.   Features: Precision extrusion, servo-driven cutting, stable output, customizable diameter & length. Ideal For: Food packaging factories, eco-friendly brand owners, and paper/PLA converters.     🟡 2. Flexible Straw Bending Machine   This automated machine converts straight straws into flexible straws with accordion-style necks—perfect for juice boxes and milk cartons.   Output Speed: Up to 200–300 straws per minute. Good bending, compatible with U-shape and I-shape packaging. Use Case: Beverage manufacturers, straw packers, TetraPak packaging systems.     🔵 3. Individual Straw Packing Machine   This high-speed machine wraps each straw individually in BOPP, paper, or PLA film, ensuring hygiene and visual appeal.   Optional Add-ons: two-color printing, Applications: Foodservice distributors, restaurants, vending systems.     🟠 4. Multiple Straw Packing Machine   Engineered for secondary packaging, this machine bags multiple individually wrapped straws (10–500 pcs/bag). It is often connected in-line with single packing machines to form a full packaging line.   Automation: Counting, bag forming, sealing, and cutting in one step. Customizable: Adjustable pack count, bag size, and film type. Ideal For: Exporters, large-scale straw manufacturers, supermarket-ready packs.   🌍 Trusted by Global Clients   Each machine was fully assembled, tested, and inspected before shipping. We provided clients with:   Complete manuals and training videos Spare parts kits for startup Online installation guidance and remote support CE certification and export documents   Our recent shipments have reached clients in India, Poland, Bolivia, and Costa Rica, who selected YINKO as their long-term equipment partner after evaluating technical strength, delivery speed, and customer service.   🛠️ Why YINKO?   ✅ Turnkey Solutions: From extrusion to packing—complete straw production lines ✅ Custom Engineering: Machines adapted to your specific straw type & size ✅ 24/7 Technical Support: Video calls, manuals, virtual commissioning   📣 Let’s Build Your Production Line Together   Whether you’re expanding your production or entering the straw market for the first time, YINKO offers reliable, high-speed, and scalable machinery that grows with your business. 📞 Book a Free Consultation or Virtual Demo Today!   🛒 Ask us for our latest machine catalog and FOB price list!

As consumers increasingly demand sustainable and customizable packaging solutions, paper cups have become an integral part of the food and beverage industry. There are technical specs and machines behind these common items. Whether you’re starting a new paper cup manufacturing operation or trying to improve an existing line, it’s important to understand how to choose the right materials, equipment, and designs.   This article will cover some key topics in paper cup production, including how to confirm cup sizes and select the appropriate sealing technology. How to Confirm Paper Cup Size   When it comes to paper cups, size is more than height and diameter. Several details affect production efficiency and end-user satisfaction. • Cup Bottom Depth & Angle: These affect how cups nest inside one another, impacting stacking height and packaging. • Rim Curl and Top Diameter: These directly impact lid fit and overall cup strength.   The most important factor, however, is what the market wants. A cup size that works well in one country may not be acceptable to consumers in another. At YINKO Machine, we tell all our customers to get us cup drawings or actual cup samples so our experienced designers can verify dimensions and create technical drawings for molds. This helps ensure the cups you produce will meet manufacturing requirements and be acceptable to the marketplace. How to Select Paper Material for Paper Cups   The paper material you select is important for a variety of reasons, including the durability of the cup, how it feels in a person’s hand, and whether it works well with hot and cold drinks. 1. Coating Type • Most paper cups are made with paper that is coated with PE. PLA coated paper is enjoying wider acceptance now because of heightened environmental awareness.   2. Recommended Coating Weights • Single PE: minimum 18 g/m² • Double PE: typical 18/12 g/m² • When it comes to paper cups, think of thickness, not base weight. Mold tolerances are usually ±0.02 mm.   Selecting Paper Based On Function • Cold Cups: Usually made with double PE coating because of the need for moisture protection. • Hot Cups: Usually made with single PE coating.   Selecting Paper Based On Size • Larger cups (12 oz. – 16 oz.) typically require thicker paper (0.31 mm – 0.41 mm). Thinner paper can be used, but it changes the way the cup feels in a person’s hand.   Regional Preferences: Areas of the country or world have preferences for thicker paper. For example, the demand in Europe and North America is for thicker paper and large cup sizes. Choosing the right paper helps you run production smoothly and cost-efficiently and increases the likelihood that your customers will be satisfied. Ultrasonic or Hot Air Sealing?   One of the key decisions you need to make in paper cup manufacturing is whether to use ultrasonic sealing or hot air sealing technology. Ultrasonic Sealing • Normal output is 80 cups/min. unless you are using a high-end system. • Recommended in applications where you regularly change paper or have variability in paper thickness. • Offers more flexibility with content material.   Hot Air Sealing • Preferable when production conditions are stable. • Achieves a higher production speed and consistent performance. • Accepted for most paper cup lines in current commercial use. In summary, if you have variety in your material sources or need flexibility, ultrasonic is the way to go. If you don’t, hot air sealing is the preferred way to go for efficiency and reliability. Considering Lid Requirements   Most paper cups, especially ones used for beverages, need to fit plastic lids. If the lids don’t fit well, leaks, spills, and unhappy customers will result. YINKO Machine always asks customers to send lid samples to us before we verify cup sizes. Our designers then take measurements to confirm dimensions to facilitate a final cup design that matches the lid so it seals well and looks professional. Paper Cup Machine Maintenance   To keep production flowing, you must do regular maintenance on the paper cup machines. At YINKO Machine, we build our paper cup machines to last over 15 years. However, that depends on the maintenance you do (which should include the following schedules.)   • Weekly: Basic cleaning, oil levels, and visual inspection. • Monthly: More thorough checks of mechanical parts and moving assemblies. • Yearly: Complete checks, possibly including part replacement and performance tuning.   Some of the routine maintenance can be done by operators, but most of it should be done by trained technical personnel to ensure long-term stability and to avoid expensive downtime. Conclusion   Making paper cups is much more than just forming paper into a cylinder. Every decision you make about cup size, paper type, sealing technology, lid fit, and machine maintenance impacts your ability to manufacture them efficiently and market them effectively. At YINKO Machine, we strive to support our customers in all aspects of this process. Each machine and design we create will continue to meet your technical needs, as well as fit the current marketplace and environmentally sound practices.   Are you ready to start or upgrade your paper cup production line? If so, please contact us today to discuss how we can customize our solutions to meet your needs with innovative, reliable, and environmentally responsible manufacturing.

This week, our factory successfully dispatched a new batch of individual straw packing machines and multiple straw packing machines to a long-term domestic partner, marking another solid step in our commitment to supporting the fast-growing beverage packaging sector.   Serving the Supply Chain of Top-Tier Coffee Brands Our client is a key player in the domestic straw supply chain, continuously delivering high-quality straws to leading coffee chain brands across China. To meet their stringent requirements for packaging precision, efficiency, and automation, they have once again chosen our proven equipment solutions to upgrade their production line. Equipment Highlights ➡️ Individual Straw Packing Machine High-speed performance with stable single-straw wrapping Compatible with paper, plastic, PLA, and other eco-friendly materials Features include automatic counting, preset quantity alarm, and seamless integration with downstream processes   ➡️ Multiple Straw Packing Machine   Works in tandem with individual straw machines to automate bagging Supports customizable packing quantities per bag Equipped with automatic bag forming, sealing, and cutting—significantly reducing labor intensity and increasing packaging efficiency   Enabling Smarter Straw Packaging for the Beverage Industry As consumer expectations evolve and coffee brands emphasize sustainability and packaging quality, efficient and precise straw packing becomes essential. Our machines are designed not only to deliver speed but also to ensure consistent, hygienic, and brand-ready presentation.   Continued Commitment to Value & Delivery This shipment once again reflects our company’s strong capability in equipment customization, timely delivery, and after-sales support. We remain committed to enabling our clients to thrive in competitive markets through reliable, efficient, and sustainable packaging solutions.   Looking to upgrade your straw packaging line? 👉 Contact us today to explore how our machines can streamline your production and support your brand’s growth.