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Mitsuya Co., Ltd.

Discover Next-Gen Surface Treatments with 90+ Years of Expertise!

Backed by over nine decades of innovation, we offer 100+ advanced surface treatment technologies engineered to meet your toughest manufacturing challenges.

What we bring to the table:
• Ultra-High-Precision Plating: Perfect for probe pins and micro-components.
• Precious Metal Solutions: Superior conductivity, durability, and corrosion resistance.
• Hard-to-Plate Materials: Seamless adhesion for complex substrates.

Basic info

Japan Tokyo Shinagawa-ku 3-8-11 Nishi-Gotanda, Shinagawa-ku, Tokyo

03-3492-7197

Private

15,000,000JPY

298

Venue

Japanese

High-precision plating for probe pins

High-precision plating for probe pins

Precious Metal Platings

Plating on Plastics

Private

Business negotiation

Plating on Carbon Fiber Reinforced Plastic (CFRP)

While Carbon Fiber Reinforced Plastic (CFRP) is widely recognized for its ultra-lightweight and high-strength structural advantages, applying functional metallic coatings onto carbon composite substrates is notoriously difficult. Conventional surface treatments often suffer from poor adhesion, uneve...

Tin Reflow Plating

Tin plating is widely used in electronic components due to its excellent solderability. However, conventional tin plating is highly prone to "tin whiskers"—microscopic, needle-like crystals that grow on the plated surface and cause critical electrical short circuits. Furthermore, modern terminal des...

Direct Plating on Stainless Steel

Traditionally, plating on stainless steel (SUS) requires an intermediate nickel underlayer to ensure proper adhesion. However, nickel poses significant risks of skin irritation and metal allergies, making it unsuitable for medical, wearable, and high-precision applications. Furthermore, attempting d...

Hard Silver Plating

Standard silver plating (80–110 HV) is prized for high electrical conductivity, but its soft nature makes it highly susceptible to mechanical wear, high friction, and surface tarnishing/discoloration over time. In high-cycle sliding contacts and high-power connectors, conventional silver coatings we...

Precision Plating for Probe Pins

Probe pins used in semiconductor inspection and micro-scale testing face extreme operational demands, including millions of contact cycles, high frequencies, and exposure to oxidation. Conventional plating techniques struggle to balance contact resistance, mechanical hardness, and uniform thickness ...

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