China Guangzhou Print Area Technology Co., Ltd. Company News

  Of course.Optical Variable Ink (OVI) is almost exclusively dedicated to security and authentication. Its unique, angle-dependent color-shifting property makes it extremely effective in preventing counterfeiting and forgery of high-value items. Here’s a detailed breakdown of its primary uses: 1. Banknotes and Currency This is the most widespread and critical application of OVI. How it's used: OVI is typically applied to specific, prominent features on a banknote, such as: Large numerals (denominations) Architectural elements or vignettes National emblems or symbols Purpose: It is a key public security feature. Anyone can instantly authenticate a banknote by simply tilting it to observe the color change. This makes it impossible to replicate with standard printers, copiers, or scanners, which can only capture a single, static color. Famous Example: The color-shifting numeral "100" on the bottom right corner of the current US $100 bill (shifts from copper to green). Many modern currencies like the Euro, British Pound, and Swiss Franc use more dramatic shifts (e.g., purple to green, gold to blue). 2. Passports and Official Travel Documents Governments use OVI to protect the integrity of passports, visas, and ID cards. How it's used: Printed on the cover of the passport (e.g., the national coat of arms). On the biographical data page to protect critical personal information and the photo. On visa stickers and residence permits. Purpose: To prevent forgery and illegal alteration. It allows border control agents and officials to quickly verify the document's authenticity. 3. Identity Cards and Driver's Licenses Many countries are incorporating OVI into their national ID cards and driver's licenses. How it's used: Often used on the cardholder's photo, birth date, or as a background pattern. Purpose: To prevent identity theft, fraud, and the creation of fake IDs. 4. Certificates and Legal Documents OVI is used to authenticate documents that hold significant value or legal status. How it's used: On university degrees, professional licenses, stock certificates, bonds, and land titles. Purpose: To ensure the document is original and not a counterfeit copy, thereby maintaining its legal and financial value. 5. Brand Protection and Anti-Tampering High-value brands use OVI to combat the counterfeit goods market and protect their revenue and brand reputation. How it's used: Luxury Goods: On labels, tags, and packaging for items like handbags, watches, apparel, and shoes. Pharmaceuticals: On product packaging to guarantee the medicine is genuine and safe, helping to combat the dangerous fake drug market. Software and Electronics: On certificates of authenticity (COA) labels for software and on the packaging of high-end electronics. Alcohol and Cigarettes: On tax stamps and seals to prove duties have been paid and to prevent product diversion. 6. Tax Stamps and Excise Duty Labels Governments use OVI on stamps affixed to products like alcohol and tobacco. Purpose: To prove that excise duty has been paid to the government. The difficulty in replicating OVI makes it a powerful tool against tax evasion and the smuggling of untaxed goods. Why is OVI So Effective for These Uses? The usage is so prevalent because OVI possesses key properties that make it an ideal security feature: Immediate Visual Verification: No special tools, lights, or magnifiers are needed. The "tilt test" is instant and intuitive for the public and officials alike. Extremely Difficult to Replicate: The technology behind the ink—the precise formulation and the manufacturing of the multi-layer interference flakes—is highly specialized, expensive, and tightly controlled by a few companies (e.g., SICPA, Gleitsmann). It cannot be scanned, photocopied, or digitally reproduced. Durability: OVI is resistant to fading and abrasion, ensuring the security feature lasts for the lifetime of the product or document. Versatility: It can be applied using various printing methods, including silk-screen, gravure, and offset, allowing it to be integrated into existing high-security printing processes. In summary, the primary usage of Optical Variable Ink is as a high-security, first-line authentication feature that protects the value, integrity, and security of currency, official documents, and branded goods from forgery and counterfeiting.

In a Nutshell Optical Variable Ink (OVI) is a specialized security ink that changes color when viewed from different angles. It is one of the most effective and difficult-to-counterfeit features used on high-value documents, banknotes, and certificates. Key Characteristics The defining property of OVI is its dynamic color shift. Color Shift Effect: When you tilt the printed item, the ink's color visibly and distinctly changes. For example, it might shift from green to blue, gold to green, or magenta to gold. This is not a subtle sheen or iridescence; it's a clear, dramatic change between two distinct colors. Non-Metallic Appearance: Unlike metallic inks, which simply look shiny, OVI has a high-quality, opaque, and often "liquid" or deep appearance. It does not contain metallic flakes like standard pearlescent inks. How Does It Work? The magic of OVI lies in its physics, not chemistry. It works through light interference, similar to the way a soap bubble or an oil slick creates shifting colors. The ink contains microscopic multi-layer flakes (often made of a magnesium fluoride core coated with semi-transparent layers of chromium or aluminum). These layers create a precise optical filter. When light hits them, some wavelengths are reflected while others pass through and are reflected by lower layers. Depending on the viewing angle, the light waves reflecting from different layers either constructively interfere (making a specific color very bright) or destructively interfere (canceling that color out). As you tilt the ink, the effective distance the light travels changes, altering which wavelengths interfere constructively. This results in the perception of a different color. This complex physical structure is extremely difficult and expensive for counterfeiters to replicate accurately.   Where Is It Used? OVI is reserved for items requiring a high level of security to prevent forgery: Banknotes: This is the most common use. For example, the numeral on the lower-right front of recent US $100 bills uses green-to-black color-shifting ink (a specific type of OVI). Many currencies (Euros, British Pounds, Swiss Francs) use more dramatic color shifts. Passports: Often found on the passport's data page, on the cover, or on visa stickers. ID Cards and Driver's Licenses: Used on high-security national ID cards. Certificates: For university degrees, stock certificates, and other important documents. Brand Protection: On high-end products (e.g., luxury goods, pharmaceuticals, software) to guarantee authenticity. Why Is It So Effective Against Counterfeiting? Impossible to Photocopy or Scan: A flat scanner or copier can only capture the ink from one angle, producing a static color that looks obviously wrong compared to the real item. Difficult to Manufacture: The ink formulation and the precise flake structure are proprietary and tightly controlled by a few specialized companies (e.g., SICPA in Switzerland, Gleitsmann Security Inks in Germany). Easy for the Public to Verify: No special tool is needed to check it. The "tilt test" is immediate and intuitive. This makes it a powerful public security feature. In summary, Optical Variable Ink is a high-security printing feature that uses the physics of light interference to create a dramatic, visible color shift, making it an extremely effective tool in the fight against counterfeiting.    

   Of course. Printing on iron (or more accurately, printing on tinplate which is steel sheet coated with tin) requires a very specific type of ink due to the unique challenges of the surface and the end-use of the products (like food cans, aerosol cans, and promotional tins). The most suitable and dominant ink technology for printing on iron/tinplate is UV-Curable Offset Lithography Ink. Here’s a detailed breakdown of why it's suitable and the other options available. 1. UV-Curable Offset Lithography Inks (The Industry Standard) This is the primary method for high-quality, durable printing on metal packaging. Why it's suitable: Excellent Adhesion: Formulated with special resins that adhere perfectly to the non-porous, smooth tinplate surface, often after a base coat (primer) has been applied. Instant Cure: Cures immediately under UV lamps, allowing for immediate handling, stacking, and processing into forming machines without smudging. This is critical for high-speed production lines. Superior Durability: The cured ink film is incredibly hard, resistant to scratching, abrasion, and chemicals. This is essential for cans that will be washed, filled, pasteurized, shipped, and stacked. High Gloss & Color Density: Produces brilliant, vibrant, and high-gloss finishes that are crucial for attractive packaging, especially in the food and beverage industry. Food Safety: Once fully cured, UV inks are inert and can be formulated to comply with stringent food contact regulations (e.g., FDA, EU 10/2011). 2. Solvent-Based Offset Lithography Inks This is a traditional method, though its use is declining due to environmental regulations. Why it's used: Proven Technology: Well-understood chemistry that provides good adhesion and durability on metal. High Quality: Capable of producing excellent print results. Drawbacks: VOC Emissions: Requires long drying tunnels that use significant energy to evaporate the solvents, releasing Volatile Organic Compounds (VOCs) that require incineration or abatement systems. Slower Production: Drying time is slower than UV curing, which can limit production speed. 3. Water-Based Inks (Less Common for Direct Decoration) Usage: Not typically used for the main decorative printing on tinplate due to the challenges of adhesion and drying on a non-porous surface. However, they are sometimes used for: Base Coats / Primers: Applied as a first layer to improve the adhesion of subsequent ink layers. Varnishes: As a protective overcoat. Drawbacks: Require very powerful dryers to evaporate the water from the non-absorbent metal surface, making the process energy-intensive. 4. Two-Package (2K) Catalyzed Inks These are epoxy or polyurethane-based inks that cure through a chemical reaction between the main ink component and a separate hardener (catalyst). Why it's suitable: Extreme Durability: Once cured, they create an incredibly tough, chemical-resistant film that can withstand harsh environments (e.g., industrial containers, some aerosol cans). Drawbacks: Pot Life: Once the catalyst is mixed in, the ink has a limited "pot life" (a few hours to a day) before it hardens in the press's ink system. Curing Time: Often require baking in an oven (stoving) to fully cure and develop their properties, which adds a production step.

     Flexographic ink is a specialized type of printing ink designed for the flexography process. Its defining characteristic is its very low viscosity (it is thin and fluid), which allows it to be applied to a wide range of substrates using a fast-drying, rotary printing method. Unlike the paste-like inks of offset lithography, flexo inks are liquid and capable of drying rapidly, making them ideal for high-speed, high-volume printing.        1. Types of Flexo Inks      Flexo inks are categorized primarily by their chemical composition and drying mechanism. The choice of ink depends on the substrate, the application, and environmental regulations.      Solvent-Based: Dries through evaporation. Solvents (e.g., alcohols, acetates) carry the resins and pigments. Once printed, heat forces the solvents to evaporate, leaving the pigment bonded to the substrate.      Water-Based: Dries through evaporation and absorption. Water is the main carrier. Heat drives off the water, and the ink is absorbed into porous substrates.      UV-Curable: Dries through polymerization. Ink remains liquid until exposed to ultraviolet (UV) light. The UV energy triggers a chemical reaction that instantly hardens (cures) the ink.      EB-Curable (Electron Beam): Similar to UV but uses a focused beam of high-energy electrons to cure the ink instead of UV light.      UV-LED: A newer subtype of UV curing that uses Light Emitting Diodes (LEDs) to produce a specific wavelength of UV light (typically 395nm or 365nm).        A critical sub-category is UV Flexo Inks, which are formulated with flexible resins and monomers to remain adherent and not crack when bent or folded after curing, making them perfect for flexible packaging.        2. History and Evolution       The history of flexo ink is intertwined with the evolution of the flexography process itself.                 3. Usage and Applications      Flexo ink's versatility makes it the workhorse of the packaging industry. Its usage is defined by the substrate it prints on:          In summary, flexo ink has evolved from a smelly, low-quality dye into a sophisticated, high-performance family of chemistries that enable one of the world's most versatile and dominant printing processes, central to the global packaging industry. Early 20th Century (Origins): The process began as "aniline printing" because it used simple, dye-based inks derived from aniline oil. These inks were smelly and had poor lightfastness (faded quickly). The printing was used for simple, low-quality jobs like paper bags and food wrappers. Mid-20th Century (Rise of Plastics & New Inks): The post-WWII boom in synthetic plastics created a need for inks that could adhere to non-porous surfaces like polyethylene and cellophane. This led to the development of solvent-based inks, which could etch into these films and provide durable prints. The process was renamed "flexography" in 1952 to distance itself from the negative connotations of "aniline" printing. 1970s-1980s (Environmental Awakening): Growing environmental awareness and regulations like the Clean Air Act (USA) targeted VOC emissions. This spurred the development and adoption of water-based inks, particularly for porous substrates like paper and corrugated board. 1990s-Present (The Quality & Technology Revolution: The advent of UV-Curable and later UV-LED inks was a game-changer. These inks allowed flexography to compete with gravure and offset lithography in terms of print quality, durability, and color gamut, while maintaining its speed advantage. This era also saw the rise of digital flexo plates (computer-to-plate), which dramatically improved print resolution and consistency. Today, flexo is a high-precision process capable of printing hi-fidelity graphics.      Corrugated Cardboard: The single largest application. Almost all brown shipping boxes and printed retail display boxes are printed with water-based flexo inks using a direct print process. It's efficient and cost-effective for large, bold graphics. Flexible Packaging: This is a high-growth area. Flexo prints on rolls of plastic film, foil, and paper that are later converted into bags, pouches, and wrappers. Solvent-based, water-based, and UV-LED inks are all used here, depending on the film type and end-use requirements (e.g., food safety, durability). Labels: Especially pressure-sensitive labels (e.g., on bottles, jars, products). Flexo dominates this market due to its ability to print on a vast array of label stocks (paper, film) with high quality and durability. UV-Curable inks are extremely common here for their glossy finish and resistance to moisture and abrasion. Folding Cartons: Used for cereal boxes, pharmaceutical boxes, and cosmetic packaging. Flexo competes directly with offset lithography in this space, often winning with its ability to print on a wider range of board stocks and its superior efficiency for long runs. Other Uses: Newspapers (declining), paper bags and sacks, disposable cups and plates, wallcoverings, and even some electronic circuits.

Bangkok's New Journey: A Complete Record of the Groundbreaking Ceremony of Yinyu Technology's Factory in Thailand Print Area, Guangzhou Yinyu Technology Co., LTD., March 23, 2025, 20:26, Guangdong On the morning of March 23, 2025, as the first ray of sunlight pierced through the mist of the Chao Phraya River, the national flags of China and Thailand fluttered in the morning breeze, and the groundbreaking ceremony of Yinyu Technology's factory in Thailand was grandly launched in North Willow, Bangkok. At 6:18, the sun rose high in the sky. Company employees and visiting guests paid homage to the gods of heaven and earth together At 6:30, an auspicious time, the excavator began to break ground At 6:45, the two dragons, performed by twenty Thai martial arts students, kept moving around the venue. The two-color lion dance kept leaping in the field. As the auspicious dragons and lions, dressed in golden scales, spat out the auspicious green, symbolizing good luck and happiness, the atmosphere on the spot reached its climax. At this moment, ten migrating wild geese flew in a V-shaped formation across the azure sky, eliciting waves of amazement from the attending guests and the sound of shutters rising and falling one after another. Finally, everyone took a group photo amid laughter and joy, bringing the groundbreaking ceremony to a perfect close. Since its establishment, Yinyu Technology has always adhered to the concept of "professionalism, integrity, cooperation and win-win". Up to now, it has gained the trust and support of customers from over 100 countries around the world, won the recognition of more than 10,000 domestic and foreign customers, and reached long-term cooperation with many well-known domestic and foreign enterprises. Thailand enjoys a superior geographical location and serves as a golden hub connecting various countries in Asia. The commencement of the factory of Yinyu Technology in Thailand marks a crucial step in the development of Yinyu Technology, indicating that we will explore a broader international market!

April, with its strong spring mood, is a good time to travel. "Work hard, live happily" has always been the theme of our team. On April 25, 2024, Print Area Technology (Guangdong) Co., Ltd. organized employees to travel to Thailand. Tourism activities are part of the corporate culture and a symbol of the company's care for its employees. This activity not only provides everyone with an opportunity to relax physically and mentally, but also enhances communication between departments, increases feelings among colleagues, and allows the team to feel the beauty of life and work. On the occasion of the International Labor Day, Wish the friends and customers of Print Area Technology (Guangdong) Co., Ltd. a happy holiday, happiness and good health.            

            In the big family of Print Area, unity and cooperation are our most important spirits! In order to strengthen team cohesion and expand communication, we held a badminton team building activity yesterday.             At 4:30 pm, we finished work early and went to the badminton hall to prepare for the next badminton game! During the game, there was endless laughter and laughter. Colleagues work in pairs and have a double PK! The team members cheered and encouraged each other, showing the team spirit and friendship of our team. This game not only improved our physical fitness, but also deepened the understanding and trust between the teams. Every round, every shot is a testament to the cohesion of our team.             After playing ball, we went to a nearby restaurant together, and the feast began! Colleagues were chatting and laughing and having a great time. Our energy and laughter have doubled today! Looking forward to the next activity!          

             On March 5, 2024, we invited more than 30 friends (technicians and business owners) from the printing industry in different countries to visit the PRINT AREA company to attend the meeting and the annual dinner, where they drank wine, talked, sang and danced.                This meeting discussed how HI-FI Color Printing can replace basic four-color printing, making printing closer to the viewing effect of real scenes in nature and reaching the highest printing level.                   PRINT AREA Company owns Ceres Ink brand ink. Ceres ink has been widely used in more than 120 countries around the world and has been recognized by friends in the printing industry around the world.                     Let's move forward hand in hand to print the most beautiful colors, make printing closer to a more natural life, and make life better!  

On January 5, 2024, PRINT AREA (Thailand) branch was officially launched. Thanks to new and old customers for attending the opening ceremony, thanks to the Thai Printing Association and friends in the printing industry for their support. PRINT AREA is based in China and has an ink production industrial park of 10,000 acres. It will provide Thai printing factories with high-quality printing inks and printing materials, as well as advanced printing technology.

From December 5th to 8th 2023, Print Area participated in Labelexoo Aisa 2023 in Shangha.Our products are highly recognized by customers from all over the world. Thank you for your trust and we will continue to work hard!