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Latest update: 27/04/2017 14:14:58

Nihon Kinzoku Kakousyo Co., Ltd.

We can offer diameter 0.2 mm micro gold plating.

Our main business is metal and non-ferrous metal plating. We can apply plating to both ordinary and special metals such as stainless steel, and we offer various kinds of plating including aluminum, titanium, and platinum. We also offer other processing for metals such as machining and micromachining with NC lathes, and we satisfy needs for thermal treatment of fine edges as well as surface treatment. Our one-stop solutions include all processes from automatic machining to plating. We have particular confidence in cost-reduced gold plating and micromachining technologies. We combine these technologies with other insight and experience we have gained since our establishment in 1959 to assist us in applying fine diameter 0.2 mm gold plating. Our customers include Soshin Electric, Nagano Automation, and Minebea.


Other presentation

[Company strength]
High technology and low cost result in many returning customers: Features of our fine plating include our many types of plating and products, plating thickness, plating precision, attention to small lot production, cost reduction efforts, pinhole measures, and beautiful color. These are highly evaluated by our customers.
Low cost: Our customers are satisfied with our reduced prices, which we have achieved through various cost-cutting efforts in small lot production.
Wide variety of plating types: We can apply plating using various metals, including gold, silver, platinum, copper, tin (glossy and matte), nickel, hard chrome, zinc, and electroless nickel.
Integrated production (from automatic lathing to plating): You can leave the whole metal production process to us, including plating, automatic machining, and quenching. 

[Business description]
Plating: Our company provides plating for common metals, special steels such as stainless steel, aluminum, titanium, and platinum. Various kinds of plating are available, for a wide range of products used for purposes from decorative to industrial use. Plating plays an important role especially in industrial products as it adds various properties to many mechanical parts and electronic parts. This includes electrical conductivity, low contact resistance, corrosion resistance, soldering characteristics, and wear resistance. We pay special attention to quality and accuracy. We use precious metals such as gold, silver, and platinum as well as industrial metals such as tin, nickel, zinc, and hard chrome in most plating.
Metal processing: Our one-stop solutions include machining and micromachining with NC lathes, thermal treatment for fine edges, and surface treatment, in addition to plating.

Electroplating business

[Strength of products/technologies]
Cost of gold plating, and micro gold plating technology: The price of gold is soaring, but we were able to reduce gold plating cost as a result of improvements we made in response to customer requests. We can also offer diameter 0.2 mm micro gold plating.
Techniques to prevent pinholes: Corrosion is quite damaging to plating. Corrosion-inducing pinholes generally occur due to problems in the material itself or conditions before plating. Our services are highly valued because pinholes do not appear on the product. This is because appropriate pre-treatment and pre-conditioning are applied to the materials based on our thorough understanding of materials. 

[Representative's message]
Our sales area expanded as distribution improved. We are now trying to enter the global arena in the context of intensified international competition in the global era. We are doing this by making the most of the plating technologies we have nurtured. Our slogan is “Innovative Plating Technology,” and we will develop unprecedented plating technology with the aim of becoming a global niche top company. Our current development projects involve new surface treatment technologies required by society. This includes plating for titanium and Inconel, both of which were successful in our projects but regarded as difficult by other companies. 

[Company structure for market development/overseas expansion]
We participate in exhibitions and other events in the metropolitan Tokyo area, and try to acquire new customers in Nagano Prefecture and beyond. We have already developed technologies to plate difficult-to-plate metals such as titanium, titanium alloy, Inconel, and other nickel alloys. We also have a sufficient organizational framework and production improvements to quickly respond to customer needs for cost reduction. Dedicated staff members respond to new customers and technical inquiries, and they may visit the customer whenever necessary. 

[Awards and media coverage]


Eco Action 21. 

[Main Clients / Business History (domestic)]
Soshin Electric; Nagano Automation; Minebea; Nagano JRC; Sanyo Denki; and so on.

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ