We are developing a precision slitting processing business that applies precise and clean processing technologies.
In "high-precision slitting processing," precise slitting can be performed on a variety of materials, including film-based materials such as PET and polyimide, non-ferrous metals like copper, aluminum, nickel, titanium, and amorphous alloys, as well as composite materials made from these substances (including adhesive products). Precision slitting without burrs or fraying is also possible for positive and negative electrode materials, separators, terminals, and lead wires used in secondary batteries and capacitors. 【Features】 ○ Minimum slit width: 0.25mm ○ Sharp slit cutting surface ○ High-quality long-length winding For more details, please contact us or download the catalog.
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basic information
【Equipment Specifications】 ○ Width Tolerance: ±5/100mm ○ Material Width: max 300mm ○ Minimum Slit Width: 0.25mm ○ Product Weight: max 60kg ○ Product Winding Diameter: max 350mmΦ ○ Line Speed: max 100m/min ● For more details, please contact us or download the catalog.
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Company information
Founded in 1982 in Miyakonojo, Miyazaki, Japan, Sunny Sealing Co., Ltd. is a manufacturer of labels and precision film components. Building on the printing and adhesive converting expertise we developed through label production, we have expanded into precision die-cutting of optical and functional films and high-precision slitting. Our headquarters factory is equipped with cleanrooms and supports precision processing with dimensional accuracy from ±30 μm. Our products are used in the medical, automotive, semiconductor, and aerospace industries. Our nonconformance rate was 0.045% of shipments in fiscal 2025. From material selection and process design to prototyping, small lots, and mass production, we support your project from start to finish. Our work has won the Highest Excellence Award at the World Label Contest and the Minister of Economy, Trade and Industry Award at the All Japan Label Contest. ISO 9001 / ISO 14001 certified.
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