三和鍍金 List of Products and Services

"Powder coating" refers to the use of powdered materials such as pigments and resins, which boasts excellent rust resistance while being environmentally friendly. Our company maintains a clean working environment by regularly cleaning the booth, allowing us to consistently provide high-quality coated products. With fewer opportunities for reprocessing, we can offer ultra-short delivery times and low costs. [Features] - Large size small lots are handled by manual spraying, while small size large lots are handled by automatic machines. - Masking options are available. - Good color development to meet customer needs. - Thorough environmental maintenance supports high quality. - Adoption of electrostatic coating reduces costs and shortens delivery times. - Coatings that are strong against rust and environmentally friendly. *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Other painting machines

"Plastic plating (resin plating)" is a hybrid plating that combines the beauty of metal with the lightness of resin, and it is expected to receive significant attention in the future. Our company handles chrome plating, satellite plating, and gold plating, and we can accommodate ABS resin, polycarbonate ABS resin, and two-color molded products (double mold). Since we own injection molding machines, we can provide a consistent process from molding to plating, leading to cost reduction, shorter delivery times, and improved quality. 【Features】 ■ Two-color molded products and polycarbonate ABS are also welcome ■ Satellite plating is also available ■ We can handle injection molding, enabling cost reduction ■ We have large fully automatic machines that can accommodate large lots with short delivery times ■ We achieve wastewater harmlessness with a nearby water quality management center ■ We provide "high quality" based on ISO 9001 *For more details, please refer to the PDF materials or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Plating Equipment

Our company handles matte and semi-gloss tin plating and possesses one of the largest fully automated lines in Eastern Japan. Due to the double hanger system and large-sized tanks, we can accommodate large lots of several hundred thousand as well as small lots starting from just one piece. We can also perform plating on long products of about 1000mm. Additionally, we conduct film thickness management using fluorescent X-rays, and precise inspections using salt spray tests and three-dimensional measuring instruments are also possible. 【Features】 ■ Short delivery times for large lots thanks to the double hanger system ■ Capable of handling the stripping of plating done by other companies ■ Ability to meet detailed needs with our accumulated know-how ■ Thorough quality control system ensured with fluorescent X-ray and three-dimensional measuring instruments ■ Capable of handling cleaning and burr removal ■ Commitment to "high quality" starting from the materials *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Plating Equipment

Our company has developed expertise and operates four fully automatic cleaning machines, enabling us to perform degreasing cleaning for most oils. We possess fully automatic machines that are difficult to introduce into production lines, such as chlorine-based and hydrocarbon-based systems. We can provide processing tailored to our customers' needs, ensuring safety in both environmental and quality aspects. Additionally, with our cleanroom facilities, we maintain a Class 10000 packaging area to protect our customers' products from impurities. 【Features】 ■ Specializing in cleaning with powerful degreasing effects ■ Strong cleaning power with consideration for the environment ■ Capable of degreasing entire boxes at low cost, with a track record of same-day delivery in 30 minutes ■ Proposing suitable processing based on years of accumulated expertise ■ Remarkable Class 10000 packaging area, top-level high quality ■ Capable of processing various shapes *For more details, please refer to the PDF materials or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Other cleaning machines

Our company primarily handles three types of physical polishing: buff polishing, barrel polishing, and hairline processing. With our in-house solvent degreasing system, we can quickly and completely remove buff residue. We basically adopt a manual polishing method, accommodating everything from small items to large ones, as well as polishing somewhat complex shapes. If you have any concerns such as "I want to remove the marks left after milling" or "I need to differentiate the buff polishing," please do not hesitate to consult with us. 【Features】 ■ Equipped with solvent degreasing for a clean finish ■ Buff polishing of pipe interiors is also possible ■ Capable of handling both small and large items, with short delivery times available ■ Our unique polishing machines and years of experience allow us to appropriately meet niche needs ■ Hairline processing using semi-automatic machines ■ Skilled artisans shining through from tool selection to execution *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Wafer processing/polishing equipment

Our company employs automatic electrostatic painting combined with manual correction for solvent painting. We particularly focus on the appearance quality, which can often be a bottleneck in painting. By regularly cleaning the painting booth, we pay close attention to dust, debris, and liquid pooling to prevent the outflow of defective products. Additionally, we will do our utmost to meet your needs not only for appearance color but also for film thickness. 【Features】 ■ Capable of handling large sizes as well as small sizes in large lots ■ Can accommodate putty application and masking ■ Maintains high quality through thorough cleaning ■ Cost reduction and high quality achieved through the use of electrostatic painting ■ Capable of painting after various surface treatments ■ Accurately responds to orders for appearance colors *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Other painting machines

Our company offers "hard chrome plating" that meets the detailed needs of our customers. We can perform not only the surface polishing treatment before plating but also the final finishing after plating. With our buff polishing machine, we can provide a consistent response, achieving cost reduction and shortening delivery times. We can accommodate requests such as, "Please do not plate this part because it will undergo secondary processing," or "This part wears particularly quickly, so I would like a thicker plating here." 【Features】 ■ High quality and careful work from just one piece ■ Consistent response with buff polishing ■ In-house production of auxiliary anodes ■ Detailed tasks such as masking and partial plating can be done manually ■ Control of plating thickness considering dimensional tolerances ■ Careful degreasing and cleaning processes *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Plating Equipment

"Electroless nickel plating" refers to nickel plating that does not use electricity, and it is a surface treatment method that deposits a plating film on the product surface through chemical reactions. Our company carefully accommodates both large sizes and small lot products. We can also control the film thickness, so we can meet specified thickness requirements. Furthermore, we can achieve short delivery times through work efficiency improvements, so if you have any concerns, please feel free to contact us. 【Features】 ■ Capable of controlling film thickness to meet detailed needs ■ Ultra-short delivery time support ■ Careful handling of both large sizes and small lots ■ Compatible with various materials, including non-conductive materials ■ Providing high-quality, high-performance plating *For more details, please refer to the PDF materials or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Plating Equipment

"Anodizing" is a type of surface treatment method applied to aluminum materials, and it is one of the more popular surface treatments for aluminum. At Sanwa Coating, we not only control the film thickness to meet tolerances but also offer anodizing with color processing known as colored anodizing (available in 16 colors at all times). Thanks to our accumulated know-how, we can fully accommodate complex processing steps that vary by gauge. 【Features】 ■ Compatible with all aluminum materials ■ Capable of short lead times and accommodating large sizes and small lots ■ Anodizing treatment tailored to customer needs ■ Ability to respond to detailed needs through in-house jig manufacturing ■ Assurance through cultivated know-how and numerous achievements ■ Research and development to create new added value *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment

"Zinc plating" is a highly corrosion-resistant metal coating, often referred to as the "king of rust-resistant coatings." Our company has fully automated lines for both barrel and hook plating, allowing us to handle lots of several hundred thousand pieces. We strive to meet customer requests as much as possible, including options like unichrome, trivalent chromate, trivalent black chromate, and cobalt-free trivalent. [Features] ■ Capable of handling various sizes and lots ■ Extensive treatments with chromate, including cyan bath specifications ■ Environmentally friendly hexavalent chromate ■ Able to accommodate detailed needs such as "stripping only" ■ Ultra-short delivery times while maintaining quality ■ Reliable quality backed by cultivated technology *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Plating Equipment

"Chemical polishing" is a method of polishing products by immersing them in a processing solution to induce a chemical reaction. This method can be applied without being overly constrained by shape, and it is also capable of polishing the interiors of pipes. It is utilized across various fields, including precision parts, medical components, kitchen equipment, and semiconductors. Additionally, since it is performed manually using basket processing, fine adjustments can be made, allowing for the simultaneous processing of hundreds to thousands of fine products at once. [Features] - Control over polishing width is possible - Manual basket processing - Complex proposals can be made - Capable of polishing small parts and the interiors of pipes - No concerns about fixture marks or fixture holes *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment
• Wafer processing/polishing equipment

"Passivation treatment," also known as passivation processing, involves immersing the product in a treatment solution to form a passive film on the surface of the product. This process allows stainless steel products to be protected from corrosion for a long time, adding value to the products and enabling them to maintain their beauty without rusting. Since it is colorless and transparent, and there are no changes in appearance or dimensions after treatment, it can also be applied after designing the base surface. [Features] - Fine adjustments can be made to meet customer needs - Can be processed in conjunction with electropolishing - Can be processed regardless of shape, from one piece to large lots - Careful handling of cleaning and packaging tasks *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment

"Shot blasting" refers to a process where particles called media are projected and collide with the workpiece to polish its surface. It is used for various applications such as removing mill scale from steel, oxide film removal, surface preparation for painting and plating, deburring, matte finishing, removing fine scratches, and rust removal, resulting in a non-glossy, matte surface. We can also accommodate needs such as "wanting to reduce gloss" or "wanting to roughen the surface." It is possible to perform various surface treatments in combination, so please feel free to consult with us. 【Features】 ■ Capable of processing large quantities at once with two automatic shot blasting machines ■ Provides uniform treatment with minimal variation ■ Allows for fine adjustments ■ Ideal for final finishing of paint and jig removal ■ Enables consistent in-house processing *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment

"Pickling treatment" refers to the process of immersing metals in an acidic solution to remove and clean off oxides, foreign substances, rust, etc., that are adhered to the metal surface. Since we handle various materials, we can provide suitable treatment methods for each. Neutralization treatment and shot blasting can protect the surface condition from rapid corrosion. Additionally, we can flexibly address areas that cannot be fully treated by fully automated lines. 【Features】 ■ Suitable treatment based on material and size ■ Prevents rapid corrosion after pickling ■ Capable of addressing areas that cannot be treated by fully automated lines ■ Applicable substrates: iron, copper, brass, stainless steel *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment

Chrome plating is often used primarily for decorative purposes, and its deep silver color tone is utilized as a final finish for various parts. According to JIS, hard chrome is defined as having a Vickers hardness of HV700 or higher, but in practice, it is generally determined that if the film thickness is about 2µ or more, it is industrial chrome plating, and if it is less than that, it is decorative chrome plating. Our "decorative chrome plating" has a very thin film of about 0.1-0.3µ, but it also possesses hardness and has good wear resistance, corrosion resistance, heat resistance, and adhesion, making it suitable for a wide range of applications. [Strengths of Our Copper, Nickel, and Chrome Plating] ■ Plating can be applied to various materials through switching technology ■ Powerful degreasing through a five-step process ■ Ability to provide high-gloss plating with excellent corrosion resistance ■ Reduction of stains and drips in plating solutions through ultrasonic cleaning ■ Accommodates fine adjustment needs *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service

Our company employs double nickel plating with semi-gloss nickel plating and glossy nickel plating. We also have a strike nickel bath, which allows for plating treatments on materials like stainless steel that have poor adhesion in their raw state. This plating is often used for both decorative and anti-corrosive purposes, and it is utilized as a base plating as well as in electronic components. 【Strengths of Our Copper, Nickel, and Chrome Plating】 ■ Plating compatible with various materials through switching technology ■ Powerful degreasing through a five-step process ■ Ability to provide high-gloss plating with excellent corrosion resistance ■ Reduction of stains and drips in plating solutions through ultrasonic cleaning ■ Capability to meet fine adjustment needs *For more details, please refer to the PDF materials or feel free to contact us.

• Surface treatment contract service
• Other surface treatment equipment

There are several types of copper plating, mainly including copper sulfate baths, cyanide copper baths, and pyrophosphate copper baths. Each has its own characteristics, but Sanwa Plating adopts the copper sulfate bath. This method yields a high-purity, high-gloss coating that is ductile and has excellent leveling properties. Compared to other plating solutions, the corrosion of the plating solution is stronger, and the uniform electrodeposition may be somewhat inferior, but these issues can be resolved with our expertise. **Strengths of Our Copper, Nickel, and Chrome Plating:** - Plating can be adapted to various materials through switching technology. - Powerful degreasing through a five-step process. - Capable of providing high-gloss plating with excellent corrosion resistance. - Reduces stains and drips in the plating solution through ultrasonic cleaning. - Accommodates fine adjustment needs. *For more details, please refer to the PDF materials or feel free to contact us.*

• Surface treatment contract service
• Other surface treatment equipment

Our group company is currently accepting hard chrome plating orders! Hard chrome is handled by few companies and requires high technical skills, but our experienced craftsmen, including the president, will responsibly restore your products beautifully. Strengths of our hard chrome services: 1. We can handle it within our group company, ensuring low cost and extremely short delivery times! 2. We accommodate detailed requests tailored to your needs, including support for weak electrical components. 3. High repeat rate due to reliable technical skills. No blooming, and we ensure compliance within tolerances! 4. Flexible handling of small to large lots, and small to large sizes, for all types of products. If you have concerns about hard chrome (hard chrome plating), please feel free to consult "Sanwa Coating"!

• Press Dies
• Metal bearings

Our company is located in Takasaki City, Gunma Prefecture, and we are professionals in metal surface treatment, specializing in various plating processes, cationic electrodeposition coating, and stainless steel electrolytic polishing. 【What is surface treatment?】 By performing surface treatment, high functionality such as corrosion resistance and weather resistance, as well as aesthetic appeal, can be added to our customers' products. Surface treatment is utilized in various aspects of life, not only in electronic devices and automobiles but also in parks and hospitals. 【What is Sanwa Plating?】 We can provide comprehensive proposals tailored to our customers' needs. We will solve various concerns regarding delivery times and costs. For example, we have a fully automated line, allowing us to respond to extremely short delivery times of just one day. From small lots to prototypes, please feel free to contact us for any inquiries, no matter how trivial. 【Features by treatment method】 ＜Electrolytic polishing＞ Removes welding marks and enhances cleaning effects. Achieves high gloss at a low cost, while also improving corrosion resistance. ＜Cationic electrodeposition coating＞ Increases corrosion resistance and adhesion, making it ideal for the substrate. Additionally, our line process includes pickling. ＜Copper, nickel, and chrome plating＞ Uses copper sulfate and double nickel. It is ideal for exterior parts with high gloss and can be mass-produced.

• Painting Machine

Sanwa Coating's "Copper, Nickel, and Chrome Plating" is conducted through electroplating. Thanks to our switching technology, we can accommodate a variety of materials, and we possess both a degreasing tank for four processes within our fully automated line and a separate degreasing tank, enabling powerful degreasing. Our company primarily focuses on automotive parts, decorative items, and exterior components, but there are various reasons for plating, such as enhancing functionality, appearance, and corrosion resistance. Therefore, we provide plating technology that meets our customers' needs. [Features] ■ Plating compatible with various materials due to switching technology ■ Powerful degreasing through a five-step process ■ Ability to provide high-gloss plating with excellent corrosion resistance ■ Reduction of stains and drips in plating solutions through ultrasonic cleaning ■ Accommodating detailed adjustment needs *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service

"Cationic electrodeposition coating" is a method in which the workpiece is immersed in a tank containing a water-soluble paint, and a direct current is applied to form a coating film on the workpiece. In our painting process, the typical film thickness is about 20±5μ, but since we can control the film thickness, it can serve as a base layer with a thin application, and it is also possible to enhance corrosion resistance with a thicker application. Being lead-free and dibutyl tin-free, it fully complies with current environmental regulations such as the RoHS directive and REACH regulations. 【Features】 ■ Compatible with various materials and dimensions, cationic coating on zinc plating is also possible ■ Removal of oxide scale through acid washing can be achieved within the line process ■ Film thickness control is possible ■ Improved adhesion through chemical conversion coating ■ Suitable as a base coat for topcoat painting *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service

Our company also performs surface treatments other than copper-nickel-chrome plating. Concerns such as "The surface treatment deadline is causing the overall deadline to be missed" and "Cost is important, but I want to prioritize deadlines" can be resolved at Sanwa Plating. We can accommodate short delivery times through high-efficiency processing methods suited to the times, time reduction with fully automated lines (elevators), and efficiency improvements in inspection work. We have received many positive comments from our customers. If you have any concerns, please consult with us first. 【Features】 ■ Short delivery times and priority on deadlines ■ Capable of handling large lots ■ Consistent support up to metal processing ■ Achieving cost reduction *For more details, please refer to the PDF materials or feel free to contact us.

• Surface treatment contract service
• Processing Contract

"Electrolytic polishing" is a polishing method aimed at smoothing surfaces by passing electricity through an electrolyte solution to dissolve metal ions from the metal surface. Our company owns two fully automated lines, allowing us to finish a large number of products in a short delivery time, accommodating both small and large lots. By electrolytically polishing stainless steel products, which are originally resistant to corrosion, we can enhance their corrosion resistance, decorative quality, and aesthetic appeal, thereby adding value to the products. 【Features】 ■ Two fully automated lines capable of handling both small items and long materials ■ Ability to perform combined treatments with passivation, shot blasting, and pickling ■ Capable of accommodating detailed requests with hand-held electrolytic polishing machines ■ Adjustable polishing width according to customer requirements ■ Advanced cleaning technology developed through accumulated know-how *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service
• Processing Contract