Quality Control | Printing Package Production and Cosmetic Box Manufacturing by K-PACK Co., Ltd.
Here are the details of part-of-speech management.
- Quantity checker - Double sheet detector - Color unevenness check - Contamination check - Adhesive application detector In general, quality control for printed packaging (cosmetic boxes) includes many aspects beyond the above. However, this time, I would like to introduce some quality control measures that our company implements aside from those mentioned.
basic information
Specializing in cosmetic boxes with years of knowledge and expertise! We confidently respond to your quality requests. Keipack Co., Ltd. is a specialized manufacturer of packaging (boxes). As a comprehensive packaging manufacturer focused on paper containers and packaging, we have the facilities to handle everything from planning and design to processing and box making. Through our production of packaging, we have worked with a wide range of clients, from major companies such as Olfa, Earth Chemical, and Euglena to individual business owners. Utilizing the know-how we have cultivated, we are committed to delivering paper containers that meet your needs with consistently stable quality. [Products Offered] ■ Various cosmetic boxes (from planning and design to printing and various processing, all handled in-house) * For more details, please visit our [official website] at the top of the page or feel free to contact us.
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Applications/Examples of results
It is not "quality control," but using this "quality control" as a support, our sales representatives will introduce several examples of how they have developed the process from "customer requests for creation" to "product launch and delivery." For more details, please see the section below labeled "Detailed Information."
Detailed information
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【Case Study: Caramel Box (3)】 We have been receiving orders for package production from a cosmetics company for over 20 years, and the following are specific examples based on our trust-based relationship. Proposal for on-site improvements from a professional perspective: In the design of complex folding processes, we considered not only the mechanical feasibility but also the manual assembly burden after delivery, proposing realistic compromises from the perspective of the on-site personnel. Feedback on submitted data: We provided candid feedback from a professional standpoint regarding the order details, pointing out potential mistakes to prevent errors before printing. Response to short delivery times: Leveraging our strength of performing all processes from die-cutting to pasting in-house, we achieved a tight schedule of "delivery within one week," which is typically challenging. These proactive responses and our stable quality and delivery times have led to many years of continued business transactions.
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Case Study: Bottom One-Touch Box (1) We received an order for the production of cosmetic boxes from a health food company. Following a price increase from their original cosmetic box manufacturer, they consulted us and appreciated our prompt response and professional proposals, entrusting us with the entire project. As a practical example, we implemented the following initiatives: Quality Optimization: We reviewed the current product and pointed out that the paper was thinner than expected. By changing to an appropriate thickness, we achieved both quality assurance and cost reduction. Quality Control: To maintain the cleanliness required for health food products, we paid close attention to printing smudges and other issues. Printing Support: We proposed corrections to the submission data before printing, preventing mistakes in advance. Due to the trust we have built, they now place orders without obtaining competitive quotes, and we will continue to strengthen our collaboration in the future.
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[Case Study: Hell Bottom (Bottom Assembly) Box (2)] This is a request from a men's boxer shorts manufacturer. We planned and developed stylish innerwear for men with functional design. The request was to use a "novel and stylish" package design to differentiate from competitors. It was decided to choose one of three companies based on a comprehensive perspective that included our proposal. Although it was a very challenging request, we conducted several hearings and ultimately derived the final direction. The direction for the package was as follows: - Visibility of the contents - Triangular image - A structure not seen elsewhere This was merely the direction of our proposal, and I believe other companies presented different suggestions. Our proposal included: - A combination of paper and PET materials - Surface processing of the paper to reproduce the image color black of the pants design - A matte finish to evoke a fabric-like tactile sensation - Use of silver foil for decoration to create a sense of luxury, given the completely black material - Realization of a triangular image through the combination of paper and PET As a result of this proposal, our suggestion was adopted.
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Example: Four-Corner Glued Box (3) W Gluing This is a case that resulted from a meeting with a trading company that received a request from a customer wanting to provide a high-end dining experience. With the intention of showcasing a story for each dish in the course meal, we were asked to create a box that would allow the customers to open it themselves and appreciate the meat bun served in the traditional W-glued box during the explanation of the dishes. Initially, during the preliminary contact and meeting, they expressed a preference for a four-corner glued box, but as we discussed the intended use, we determined that it would not meet their needs and proposed the W gluing option. We also created a dummy sample to confirm its resistance to oil leakage, which they found satisfactory. Of course, we selected paper that poses no issues with direct contact with food. Due to the unique nature of this project (serving within a course meal and immediate unboxing), no additional processing was done beyond this, but we can also accommodate treatments such as oil-resistant and water-resistant finishes, like Harbil processing or film lamination, to enhance durability for longer transportation and use.
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Example: Four-Corner Glued Box (3) W Gluing This is a case that resulted from a meeting with a trading company that received a request from a customer wanting to provide a high-end dining experience. The intention was to convey a story with each dish in the course meal. When serving meat buns, we were asked to create a box that would be presented in the standard W-glued box, allowing the customers to open the box themselves during the explanation of the dishes and enjoy the presentation. Initially, during the preliminary contact and meeting, the customer expressed a preference for a four-corner glued box. However, after discussing the intended use, we determined that it would not meet their needs and proposed the W-gluing option instead. We also created a dummy sample to confirm its resistance to oil leakage, which satisfied the customer. Of course, we selected paper that poses no issues with direct contact with food. Due to the unique nature of this project (serving within a course meal and immediate unboxing), no additional processing was done. However, we can accommodate treatments such as oil-resistant and water-resistant processing, like Harbil processing or film lamination, to enhance durability for longer transportation and use.
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**Case Study: Sleeve Box (1)** This is a case where we received an order for a **clip-specific sleeve box (4 types in total)** from a customer in the precision metal processing industry, featuring a retro aesthetic. To assist a customer who was confused about their first packaging production, we accompanied them through the following processes to achieve both the "ideal texture" and "practical holding power." Visualization of the concept and paper selection: In response to the abstract request for a "retro feel," we presented multiple reference samples. By allowing them to physically compare the samples, we were able to quickly confirm the ideal direction. Thorough adjustments based on the actual product: Initially, we faced the challenge of the clips falling out. However, by checking the actual product, we redesigned the size down to the millimeter. After submitting multiple adjustment samples, we arrived at the optimal holding feel of "not falling out even when shaken, yet easy to insert and remove." Adaptation to a variety of designs: In response to the specification of four different designs, we conducted careful color proofs, achieving a quality that received feedback from the customer stating, "the colors are perfect." We were not just an order-taking company, but a "manufacturing partner" that persistently responded to unexpected challenges, bringing the customer's vision to life.
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Case Study: Box with Inner Partition (2) This is a case where we received an order for a custom package for mascara containers from a customer who develops cosmetic products. The biggest challenge was to "securely fix the mascara itself so that it does not move inside the box." To address this issue while balancing design and functionality, we solved the problem through the following processes. Integrated proposal for the "inner tray": We designed a dedicated inner tray that firmly holds the product. We received high praise for the quality of the white dummy (plain sample) presented during the initial meeting, alleviating concerns about product protection. Special processing and regulatory support: In addition to visualizing the contents through "window cut processing," we carefully responded to inquiries about the legal obligations regarding the display of plastic marks, providing materials from the Ministry of Economy, Trade and Industry along with samples of window film. We provided comprehensive support for the anxieties related to the first-time specifications. Attention to detail in three-color printing: We adopted three-color printing, including white ink, achieving a sophisticated appearance characteristic of cosmetic brands. Ultimately, we delivered a "side-opening bag format (caramel box)" with an inner tray. Our meticulous adjustment skills in shaping the customer's commitment to their product led to the creation of a highly satisfactory package.
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**Case Study: Other Shapes (2)** This is a case where we received an order for custom boxes specifically for cookies from a customer who supplies tea leaves and other food products to hotel cafes and bars. Initially, the consideration began with special shapes such as "triangular" and "dome-shaped," but through repeated prototypes, we pursued both design and practicality, ultimately arriving at the **"Roof-shaped BOX."** Flexible prototyping and design changes: For dimension changes that arose during meetings, we created new drawings and cut samples each time. We pursued the ideal shape without compromise and meticulously refined the specifications over more than six months. Surface treatment to enhance luxury: In the final process, we applied "press coat processing" to the proof prints, confirming a glossy finish that ensured quality suitable for a luxury hotel. Adaptation to complex printing: We adopted "New Pigeon 310g" material and achieved a meticulous color expression by adding a spot color (1C) to full-color (4C) offset UV printing. From the start of consultations in March to the official order in December, we provided persistent support. We delivered an elegant and substantial package based on a red theme, helping the client realize their "first-class service."
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[Case Study: Other Shapes (3)] This is a design and production case of a custom-made package specifically for sweet potatoes, featuring an arch shape and a no-glue-required structure. Based on the request to create a shape that differentiates the product from others on the shelf and catches the eye, we provided comprehensive support from design to development. The main feature of this product is the unique arch shape used for the lid, which is rarely seen in off-the-shelf products. By designing in line with the product's world view and brand image, we enhanced visibility during display and achieved a memorable package. The arch shape highlights the softness and elegant roundness characteristic of sweet potatoes, adding high value as a gift. Furthermore, we pursued operational efficiency on-site by adopting a structure that allows for easy assembly without glue, completing the assembly with the upper lid. By eliminating the need for adhesive work, we achieved a reduction in work time and significant cost savings while ensuring strong design quality, resulting in a package that excels in branding and functionality. We can offer strategic package proposals that maximize the product's appeal with optimal shapes tailored to your needs and enhanced functionality for on-site convenience.
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Keipak can be summed up in one word as a "box maker." As a comprehensive packaging manufacturer primarily engaged in the production and sale of paper containers and packaging, we have the facilities to provide consistent support from planning and design to processing and box-making. Through the production of packaging, we leverage the know-how gained from our various customer relationships to deliver paper containers that meet your needs with consistently stable quality. 【Customer First Principle】 With a motto of customer-first, we are committed to "always thinking from the customer's perspective." 【Sales Staff Well-Versed in Manufacturing】 As a company with an attached factory, our sales staff regularly holds meetings with factory staff and participates in manufacturing oversight, allowing us to offer proposals and production insights that differ from those of large printing companies. 【Responsive and Speedy Service】 Our sales staff are well-acquainted with manufacturing, enabling them to conduct precise hearings from the initial meetings. Therefore, we can achieve satisfactory content confirmation with the minimum number of meetings, resulting in a significantly reduced total time until final approval.







