第一化成 List of Products and Services

We would like to introduce our efforts to improve quality. The precision molded parts we provide are important functional components that are incorporated into many products. Therefore, we fully understand that the quality of our parts directly affects the quality of the products manufactured by our customers, and we conduct our production accordingly. We strive to be a company that can be trusted to deliver quality, and we are committed to improving quality every day to provide products and parts that our customers can truly appreciate for choosing us. 【Quality Assurance System (Partial)】 - We invest a significant amount of time and management resources to ensure that we can provide products and parts with better quality by accurately assessing quality. - In production, we not only conduct quality inspections at each process but also implement company-wide process audits to carry out quality improvement activities, constantly working to maintain stable quality. *For more details, please refer to the related links or feel free to contact us.

• Other services
• others

We would like to introduce our company's "Automation Technology." Leveraging our production technology capabilities, we strive to maximize quality and productivity to provide our customers with peace of mind. We design and manufacture various labor-saving equipment, inspection devices, and tools to support global production. Additionally, we can offer consistent support from design to manufacturing and installation of automation and labor-saving equipment tailored to our customers' needs, incorporating know-how from the past. 【Products We Handle (Partial)】 ■ Fully Automated Assembly Equipment - Fully Automated Assembly Line (OA Product Assembly) - Fully Automated Molding System (Automotive Parts Molding) ■ Labor-Saving Equipment and Tools - Sub-assembly Device for OA Parts - Connector Sub-assembly Device *For more details, please refer to the related links or feel free to contact us.

• Other assembly machines
• Processing Jig
• Other inspection equipment and devices

We would like to introduce our "Ceramic Technology." Ceramic injection molding maximizes the know-how of precision molding of engineering plastics, enabling the production of high-precision and high-quality products. Additionally, our zirconia ferrule material has been adopted by several customers both domestically and internationally. Furthermore, in the shaping of ceramics, we use materials with high fluidity. 【Features】 < Ceramic Injection Molding > ■ Our proprietary binder technology allows for compatibility with various powders, from structural materials to electronic ceramic materials. ■ Capable of producing complex shapes (increased design freedom for products). < Zirconia Ferrule Material > ■ The injection molding process results in fewer pinholes, achieving high density and high strength. ■ The fiber insertion area is designed with a moderate radius to reduce snagging. *For more details, please refer to the related links or feel free to contact us.

• Ceramics
• Other machine elements
• Processing Contract

We would like to introduce our "Insert Molding Technology." Starting with insert molding with sharp edge presses, we offer stable quality through hoop molding and automatic composite molding with narrow pitch presses, as well as hoop molding and ultra-precision presses. Additionally, we can also provide prototypes through rotary molding and etching. Our precision insert molding, which meets the needs for "compact space and high reliability," utilizes the microfabrication technology developed by Daiichi Kasei. 【Features】 <Insert Molding with Sharp Edge Presses> ■ Insert molding with sharp edge (pressed products) ■ Stable molding processing (hoop molding) is possible <Automatic Composite Molding with Hoop Molding and Narrow Pitch Presses> ■ Automatic composite molding with 0.5mm narrow pitch presses ■ Provides stable quality *For more details, please refer to the related links or feel free to contact us.

• Other processing machines
• Processing Contract

We would like to introduce our "Mold Technology." From the design to the manufacturing and processing of precision molds, we have established our unique IKKA molding method using advanced molding machines. We are actively working on utilizing a 3D-CAD network with our customers. Additionally, through IKKA's unique 3D method (PVD), we coat ceramic films such as TiAIN and TiN onto the cavities of molds, which improves mold lifespan, stabilizes product quality, and reduces total costs. 【Features of Hard Coating】 ■ Improved wear resistance ■ Enhanced corrosion resistance ■ Improved release properties of molded products ■ High strength ■ Low-temperature treatment ■ Thin film (thickness of 2-3 microns) *For more details, please refer to the related links or feel free to contact us.

• Mold Design
• 3D CAD
• Electric discharge machine

Our company utilizes a variety of advanced precision measuring instruments for the measurement of precision molded products. In addition to these devices, we also create our own evaluation equipment. By developing software for data analysis and interpretation, we further demonstrate our uniqueness and link it to future proposals. The total evaluation system, which includes the collection and analysis of evaluation data, as well as the evaluation itself, is utilized to achieve better products and improved production systems. 【Evaluation Technology】 ■ Gear Evaluation: Gear Testing Machine ■ Precision Measurement: 3D Measuring Machine, Non-contact Measurement ■ Material Analysis: FT-IR, MFR ■ Noise Measurement: Anechoic Chamber ■ Environmental Testing: High Temperature and Humidity Chamber *For more details, please refer to the related links or feel free to contact us.

• Testing Equipment and Devices
• Other analysis and evaluation services

We would like to introduce the process from proposal to mass production that we carry out at our company. We actively assist from the product planning and conceptual stage. We have established suitable technology by adding trial improvements to the know-how and techniques we have accumulated over the years. Additionally, we can provide practical proposals that take into account know-how related to plastic peripheral technologies. We have established a consistent production system tailored to each product, covering tool design, process design, quality control, and even packaging and logistics for optimal production. 【Process】 1. Proposal 2. Design 3. Mold Production 4. Initial Mass Production Activities 5. Mass Production *For more details, please refer to the related links or feel free to contact us.

• Contract manufacturing
• Mechanical Design
• Mold Design

We would like to introduce our "Labor-Saving Equipment Division." Leveraging our production technology, we pursue maximum quality and productivity to ensure our customers can use our products with confidence. We design and manufacture various labor-saving equipment, inspection devices, and tools to support production. We implement automation for the automatic insertion of metal parts into molding machines and for double molding, as well as automation for film packaging of OA products and individual box packing. 【Products We Handle】 ■ Inspection Equipment - Friction Torque Measuring Device - Leak Testing Device (Submersion Tester) - Insert Molding Product Inspection Device - Assembly Product Operation Inspection Device ■ Tools: Assembly Jigs *For more details, please refer to the related links or feel free to contact us.

• Other Auto Parts
• Other PCs and OA equipment
• Other assembly machines

We would like to introduce the products in the "medical device field" that we handle. The "medical components" feature a mechanism that minimizes gear backlash, including optional parts for gastroscopes and usability similar to syringes for drug injection from gastroscope tubes. We also offer "blood analysis and testing supplies," characterized by a mirror finish and high-precision transfer molding to maintain transparency. 【Features】 ■ Medical Components - Mechanism that minimizes gear backlash ■ Blood Analysis and Testing Supplies - Mirror finish and high-precision transfer molding to maintain transparency *For more details, please refer to the related links or feel free to contact us.

• Other medical supplies and cosmetic manufacturing materials
• Other analytical and testing equipment

We would like to introduce the products in our "Ceramic Business Field." We offer "optical connector components" such as zirconia ferrules and optical communication connectors, as well as "spinning components" including zirconia parts for endoscopes and zirconia components for textile yarn paths. Additionally, we have zirconia watch cases available. Please feel free to contact us if you have any inquiries. 【Product Lineup (Partial)】 ■ Optical Connector Components (Ferrule Blanks) - Ferrules (Zirconia) - Optical Communication Connectors ■ Medical Device Components - Endoscope Parts (Zirconia) *For more details, please refer to the related links or feel free to contact us.

• Ceramics
• Optical Connector
• Endoscopes and fiberscopes

We would like to introduce the products in the "OA and Video Equipment" field that we handle. Starting with the "Slim DVD-ROM," which features molding technology that minimizes warping and shrinkage, we offer a variety of products including "Printer Parts" used for feeding paper in inkjet printers, and "Ink Cartridges" produced through a consistent process from molding to packaging. Additionally, we also have "DVD Player Parts" and "Digital Camera Parts," which integrate the chucking plate holder into the frame. 【Product Lineup (Partial)】 ■ Slim DVD-ROM ■ Printer Parts ■ Ink Cartridges ■ DVD Player Parts ■ Digital Camera Parts *For more details, please refer to the related links or feel free to contact us.

• Other PCs and OA equipment
• Printer
• Inkjet printer

We would like to introduce the products in the "Housing and Home Appliances" sector that we handle. The "air conditioner parts" that change the angle of the louvers (air outlet) are designed with a mechanism that minimizes gear backlash. Please feel free to contact us when you need assistance. 【Materials】 ■Gear: POM (sliding grade) ■Case: ABS *For more details, please refer to the related links or feel free to contact us.

• Other air conditioning equipment
• Other machine elements

We would like to introduce the products in the "automotive parts field" that we handle. Starting with the "power seat components for automobiles" featuring internal screw rotation and high-strength gears, we also offer the "power sliding door lock release unit" and "automotive door mirror mechanism unit," both designed in-house. Additionally, we handle "automotive connectors," including double-lock type connectors and hinge type connectors that are installed inside the engine. 【Features】 <Power Sliding Door Lock Release Unit> ■ Adopts a one-way clutch mechanism with a simple spring structure ■ No loss of force due to the return spring, ensuring no reduction in output during full stroke ■ Can return to the initial position with a light force *For more details, please refer to the related links or feel free to contact us.

• Other Auto Parts
• Automotive Connectors

Daiichi Kasei Co., Ltd. is a company located in Shimono City, Tochigi Prefecture, engaged in the manufacturing and sales of precision injection molded products made from plastics, new ceramics, and their composites. We actively assist from the planning and conceptualization stage of products. We have established optimal technology by adding trial improvements to the know-how and techniques we have accumulated over the years, enabling us to provide practical proposals that incorporate know-how related to plastic peripheral technologies. We have established a consistent production system tailored to individual products, covering everything from tool design, process design, and quality control to packaging and logistics for optimal production. Daiichi Kasei Co., Ltd. strongly supports the creation of valuable products from planning and design to production and logistics. For more details, please contact us or refer to our catalog.

• Contract manufacturing
• Processing Contract