ジャスト List of Products and Services

Have you completed your BCP measures for the plating processing process? In the event of an emergency such as a natural disaster or infectious disease, concentrating plating processing factories in one location increases the risk of operational shutdowns. Just Co., Ltd. is a professional company based in Yamagata Prefecture, specializing in plating, surface treatment, and diamond electroplating. We are now able to rent out available space to other companies due to the expansion of our factory. Please contact us for details regarding area, pricing, and more. *Please refer to the PDF document for information about our business activities. *Feel free to contact us for inquiries related to this project.

• Plating Equipment
• Processing Contract

The "Krafteem Mild Drinking Cup" is a sake cup specifically designed for enjoying Japanese sake. Using the partial plating technology that Just excels at, the inside is mirror-finished while the outside is treated with diamond electroplating, achieving a mild drinking edge and a non-slip grip when held. Additionally, the diamond electroplating provides strength that withstands long-term use. 【Features】 ■ Specialized for enjoying Japanese sake ■ Achieves a mild drinking edge and a non-slip grip when held ■ Equipped with strength that withstands long-term use ■ The inside is mirror-finished using partial plating technology, and the outside is treated with diamond electroplating *For more details, please refer to the related links or feel free to contact us.

• others

The 'Craftem Self-Nailist (MIX)' is a portable, compact nail file. By applying a high-hardness diamond coating to the surface through a precise electroplating process, it provides grinding capability, allowing you to easily file your nails with gentle pressure. Additionally, regular maintenance of the nail file will keep it clean for long-term use. 【Features】 ■ Portable and compact nail file ■ Grinding capability provided by a high-hardness diamond coating on the surface ■ Easy to file nails with gentle pressure ■ Regular maintenance keeps it clean for long-term use *For more details, please refer to the related links or feel free to contact us.

• others

Just Corporation's unique technology for plating and surface treatment, the diamond special electroplating technology 'UDC', stands for "Ultimate Diamond Carbon Nanotube" and is our proprietary diamond special electroplating technology. By incorporating carbon nanotubes into the plating solution, it becomes possible to impart functions such as "increased strength," "improved heat dissipation," and "enhanced wear resistance." The diamond special electroplating technology is also used in medical devices, and its high wear resistance and anti-slip effects are perfect for factory transportation processes! There are numerous achievements in industrial equipment and components as well! Features: ■ High retention of diamonds ■ Creates a semi-permanent effect In addition, we offer various plating treatments besides diamond special electroplating. For more details, please refer to the middle section of this page or visit our company website. *For more information, please refer to the PDF materials or feel free to contact us.

• Plating Equipment
• Processing Contract

Just Co., Ltd. conducts a wide range of surface treatments and plating, from general plating to diamond special electroplating. In electroless nickel plating, we can accommodate long and large items with our fully automated 2,200-liter plating tank. Using our patented rotating fixture, the chemical solution penetrates even into parts with blind holes, eliminating issues such as air pockets and allowing for uniform film thickness. We have numerous achievements in transportation machinery parts (automotive brakes, control devices, measuring instruments), machine tool parts, and various industrial machine parts. Features: - Wear resistance, hardening, corrosion resistance, uniformity, weldability, non-magnetic - Large items and long pieces are acceptable with our fully automated 2,200-liter plating tank - No defects and uniform film thickness with our patented rotating fixture *For more details, please refer to the PDF materials or feel free to contact us.

• Plating Equipment
• Processing Contract

Just Co., Ltd. offers a unique technology for plating and surface treatment called "Special Composite PTFE Plating." This involves dispersing fluorine-based particles known as PTFE in the plating solution, and since carbon nanotubes are also dispersed in this plating solution, it enables improvements in "release properties," "thermal conductivity," and "plating film strength." By incorporating carbon nanotubes into the plating solution, it becomes possible to impart functions such as "increased strength," "enhanced heat dissipation," "improved wear resistance," and "excellent release properties." Features: ■ Excellent release properties ■ High thermal conductivity ■ Improved plating film strength *For more details, please refer to the PDF document or feel free to contact us.

• Plating Equipment
• Processing Contract

Just Co., Ltd. handles a unique technology for plating and surface treatment, the diamond special electroplating technology 'UDC', which stands for "Ultimate Diamond Carbon Nanotube." This is our proprietary diamond special electroplating technology. By incorporating carbon nanotubes into the plating solution, it becomes possible to impart functions such as "increased strength," "improved heat dissipation," and "enhanced wear resistance." The diamond special electroplating technology is also used in medical devices, and its high wear resistance and anti-slip effects are perfect for factory transport processes! There are numerous achievements in industrial equipment and components as well! Features: ■ High retention power of diamonds ■ Creates a semi-permanent effect Additionally, our company can perform various plating treatments beyond diamond electroplating. For more details, please refer to the middle section of this page or visit our company website. *For more information, please refer to the PDF materials or feel free to contact us.

• Plating Equipment
• Processing Contract

Tools using "diamond electroplating technology," which adheres diamonds to metal surfaces through surface treatment (plating), enable the processing of hard materials such as ultra-hard materials. *In a certain television program, we were able to penetrate "metal that absolutely cannot be pierced." Additionally, thanks to our long-cultivated surface treatment technology, we achieve short delivery times. We can create custom-made products tailored to each customer's specific requests. We accept orders even for one-of-a-kind items or prototypes, so please feel free to contact us. 【Features of Diamond Electroplating Technology】 ■ A special technology that adheres diamonds to metal surfaces through "plating" ■ Tools necessary for processing brittle materials - Sapphire, ruby, quartz, glass, ceramics (Alumina, silicon carbide, silicon nitride, zirconia, etc.) <Estimated Price> Standard size φ160× thickness 20 In direct sales... stripping fee 1500 yen + normal re-electroplating 13800 yen + shipping *Long-life specifications "UDC treatment, KK treatment" will be quoted separately *Compatible with all tool manufacturers (may not be able to accommodate if the tool body is damaged) *Other sizes and shapes will be quoted. The standard size is a guideline. *For more details, please feel free to contact us.

• Plating Equipment
• Processing Contract

We would like to introduce the "Micro Diamond Tool" handled by Just Co., Ltd. Our diamond special electroplating technology enables the electroplating of ultra-fine abrasive particles (1μ size), and the special electroplated coating excels in uniformity, further enhancing the adhesion strength to the base material. Additionally, the uniform abrasive particle distribution, even at ultra-fine diameters, significantly increases tool life. 【Features】 ■ Tool for hole finishing ■ Enables electroplating of ultra-fine abrasive particles (1μ size) ■ Special electroplated coating excels in uniformity and improves adhesion strength to the base material ■ Uniform abrasive particle distribution even at ultra-fine diameters ■ Diamond electroplating range is flexible *For more details, please refer to the PDF document or feel free to contact us.

• Processing Jig
• Other work tools

By applying UDC, carbon nanotubes can effectively grip abrasive grains, preventing their detachment. This enhances the strength of the tool and extends its performance lifespan. With UDC, the strength of the coating increases, preventing the abrasive grains, which act as cutting edges, from falling off, thereby improving the tool's strength and extending its performance lifespan. 【In the case of conventional electroplated tools】 - If the strength of the coating is low, it succumbs to the machining resistance of the workpiece, causing the abrasive grains that act as cutting edges to detach. - The detachment of abrasive grains leads to a decline in performance, such as reduced cutting ability. *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Power tools
• Other work tools

By applying our unique technology "UDC Plating," the thermal dissipation is improved due to the function of the nano carbon tubes contained in the plating solution. The thermal dissipation during the use of electrodeposition tools is excellent, reducing damage to the tools. As a result, the performance lifespan is extended, and processing becomes stable. 【Features】 ■ Excellent thermal dissipation during the use of electrodeposition tools ■ Reduced damage to tools ■ Extended performance lifespan and stable processing *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Power tools
• Other work tools

By applying our unique technology "UDC Plating," the thermal dissipation is improved due to the function of the nano carbon tubes contained in the plating solution. Additionally, it has high wear resistance, resulting in less damage from chips, and the plating becomes less likely to peel off. 【Features】 ■ High wear resistance ■ Less damage from chips ■ Plating is less likely to peel off *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Power tools
• Other work tools

The use of anti-slip materials has resulted in an increased retention power of diamonds due to UDC, leading to an almost complete elimination of abrasive particle detachment and creating a semi-permanent effect. Therefore, it enhances the functionality of medical instruments and provides a semi-permanent effect. UDC, through our unique plating and surface treatment diamond special electroplating technology, enables the incorporation of carbon nanotubes into the plating solution, which enhances strength, heat dissipation, and wear resistance. 【Features】 ■ High retention power of diamonds ■ Abrasive particle detachment is nearly zero ■ Improved functionality of medical instruments ■ Creates a semi-permanent effect *For more details, please refer to the PDF document or feel free to contact us.

• Other surface treatment equipment
• Other cutting tools
• Power tools

The workpieces are increasing in hardness (sapphire, SiC), and conventional electroplated tools are unable to process them. Therefore, it has become necessary to use a special coating called UDC to enhance functionality. Moreover, the processing conditions are becoming increasingly difficult day by day. For example, if you want to process the stop hole for fuel injection in automobiles without distorting its shape in one go, this is recommended. Furthermore, even outside of drilling tools, the use of anti-slip materials has seen a significant increase in the diamond retention capability due to UDC, resulting in almost zero abrasive grain detachment and creating a semi-permanent effect. 【Features】 ■ Special coating ■ Enhanced functionality ■ High diamond retention capability ■ Abrasive grain detachment is nearly zero ■ Creates a semi-permanent effect *For more details, please refer to the PDF document or feel free to contact us.

• Other cutting tools
• Power tools
• Other work tools

By applying "UDC," carbon nanotubes become cutting edges that strongly grip abrasive particles and prevent their detachment. This improves the strength of the tool and extends its performance lifespan. Additionally, the function of the nano carbon tubes contained in the plating solution enhances heat dissipation and wear resistance. The heat dissipation during the use of electrodeposition tools is excellent, reducing damage to the tools, which in turn extends their performance lifespan and stabilizes processing. The wear resistance is high, resulting in less damage from chips and making the plating less likely to peel off. 【Functions】 ■ Improved strength ■ Enhanced heat dissipation ■ Increased wear resistance *For more details, please refer to the PDF document or feel free to contact us.

• Plating Equipment
• Processing Contract

We would like to introduce our unique technology, 'UDC Plating,' handled by Just Corporation. UDC stands for "Ultimate Diamond Carbon Nanotube," which is our proprietary diamond electroplating technology. By incorporating carbon nanotubes into the plating solution, it becomes possible to impart functions such as "improved strength," "enhanced heat dissipation," and "increased wear resistance." *For more details, please refer to the PDF materials or feel free to contact us.

• Plating Equipment
• Processing Contract

We would like to introduce "New Field Application Development (Powder Coating, Precision Electroforming, High-Precision Coating)" handled by Just Co., Ltd. Used for quartz and optical lens processing as well as semiconductor manufacturing. It is a special diamond tool. Please feel free to contact us if you have any inquiries. 【Product Lineup】 ■φ80 Special Tool ■φ130 Special Tool ■φ350 Special Tool *For more details, please refer to the PDF document or feel free to contact us.

• Plating Equipment
• Contract manufacturing
• Other semiconductor manufacturing equipment

We would like to introduce the "Silver Plating Processing on Stainless Steel Bolt Threads" handled by Just Co., Ltd. In this processing, silver plating is applied only to the threaded part of the stainless steel bolt to prevent galling. Additionally, we also offer "Silver Plating Processing on the Inner Surface of Stainless Steel Nuts" and "Smooth Treatment," which is a lubrication process for tightening torque on nuts. 【Features】 ■ Silver plating is applied only to the threaded part of the stainless steel bolt to prevent galling. *For more details, please refer to the PDF document or feel free to contact us.

• Plating Equipment
• Processing Contract

We would like to introduce "High-Performance Anti-Corrosion Plating" handled by Just Co., Ltd. It is hexavalent chromium-free and specialized for cast products with stress resistance. We strive to satisfy all of our customers' requirements with a focus on QCD (Quality, Cost, Delivery). Additionally, we are committed to refining our technology to meet various types of plating requests. 【Features】 ■ Hexavalent chromium-free ■ No cyanide plating bath ■ Hydrogen embrittlement resistance (zinc chloride bath) ■ Stress resistance specialized for cast products *For more details, please refer to the PDF document or feel free to contact us.

• Other Auto Parts
• Plating Equipment

At Just Co., Ltd., we perform a special technology called diamond electroplating, which adheres diamonds to metal surfaces through "plating." This technology is applicable to tools made from brittle materials such as sapphire, ruby, quartz, glass, and ceramics. Additionally, the diamond special electroplating technology and composite plating enhance functionality. 【Features】 ■ Single-layer and multi-layer electroplating possible ■ Uniform dispersion even for ultra-fine diameters of φ0.02-2mm ■ Uniform plating thickness even for complex shapes ■ High adhesion strength plating even on hard and SUS materials ■ Ultra-fine diamond (0.2μm) electroplating is possible ■ Diamond sizes range from #18 to #100,000 *For more details, please refer to the PDF document or feel free to contact us.

• Other surface treatment equipment
• Other cutting tools

Just Co., Ltd. is engaged in the development of new industrial fields. Using our unique diamond electroplating technology, we adhere diamonds only to the necessary areas, achieving the ultimate anti-slip effect. Our products are used in medical devices and geological marine fields, among others. 【Products】 ■ Micro forceps ■ Micro needle holder ■ Scientific drilling vessels (using our special tools) ■ Micro surgical instruments for neurosurgery and otolaryngology ■ Super micro forceps used in endoscopic parotid surgery *For more details, please refer to the PDF document or feel free to contact us.

• Other surface treatment equipment
• Other work tools

Just Co., Ltd. contributes to the enhancement of functionality through diamond electroplating technology and composite plating. We are capable of electroplating ultra-fine diamond (0.2μm), and we can achieve high adhesion strength plating even on hard and SUS materials. Please feel free to contact us when you need our services. 【Features】 ■ Capable of electroplating ultra-fine diamond (0.2μm) ■ Uniform dispersion even for ultra-fine diameters of φ0.02-2mm ■ Single-layer and multi-layer electroplating possible ■ High adhesion strength plating even on hard and SUS materials ■ Diamond sizes range from #18 to #100,000 ■ Uniform plating thickness even on complex shapes *For more details, please refer to the PDF document or feel free to contact us.

• Plating Equipment
• Surface treatment contract service
• Diamond cutter

Just Co., Ltd. has been seriously addressing the needs for all types of plating based on a tradition and track record spanning half a century since its founding, and we strive to refine our technology to meet the satisfaction of our customers. Furthermore, we are committed to breaking the status quo and embracing cutting-edge technology, working diligently to become a bridge to the next generation. For more details, please contact us or refer to our catalog.

• Plating Equipment
• Surface treatment contract service
• Diamond cutter