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Latest update: 09/01/2020 15:25:06

Nakatani Sangyo Co., Ltd.

We have developed resin molding technology with excellent waterproofness and oil resistance.

We have accumulated more than 60 years of experience in the field of resin processing such as plastic molding. We are ranked top in Japan as a manufacturer of CD/DVD cases. We have established an integrated system dealing with processes from design to die manufacturing, trial manufacturing, and mass production in order to satisfy various customer needs. We can add outstanding protection performance such as waterproofing and shock absorption using our hot-melt adhesive sealing molding with a state-of-the-art hot melt adhesive (bonding agent) material. We aim to enhance our technical strength by conducting joint R&D. We are also working to construct an organization for global expansion.

Main image

Sales Pitch

Integrated production covering planning, design, mold production, mass production, inspection and shipment
Our group companies can make products in an integrated manner.
Waterproof, dustproof, coating, sealing molding
Hot melt molding
Weight saving
Reduced number of parts
Substrate protection
Values added for harness processing
Partial component protection
Measures against adverse environments

Other presentation

[Company strength]
We are a resin molding pioneer with a history of over 60 years. We offer various kinds of molding proposals and integrated product manufacturing, including die manufacturing.
We are also capable of integrated development and sales in our group companies, from design to die manufacturing, trial manufacturing, and mass production.
We flexibly support our customers’ requests. 

[Business description]
1. Manufacturing, stocking, and sales of plastic-molded products. 
2. Stocking and sales of resin materials, molding machines, and peripheral machines. 
3. Manufacturing and sales of ceramic products. 
4. Agency business for damage insurance and life insurance. 
5. Real estate dealing and agency as well as management and leasing business. 
6. Leasing business. 
7. New product development. 
8. Manufacturing and sales of electronic devices and application equipment, etc.

Plastic manufacturing

[Strength of products/technologies]
We can propose new technology that breaks away from conventional potting and packing based on our accumulation of over 60 years of experience in plastic molding. We cover from sealing molding and waterproofing using the state-of-the-art hot melt adhesive materials, to the integration of harness wiring, distribution, substrate protection, and partial sealing. Our newly developed hot melt adhesive sealing molding employs leading-edge technology that can add outstanding protection capabilities (such as waterproofing, oil-proofing, inflammability, and shock absorption). We achieve this by using thin molding at low temperature and low pressure. This technology can reduce the weight and size compared with conventional methods, without damaging the electronic components. This makes it possible to refine the design, and to significantly contribute to the enhancement of productivity and cost-effectiveness.
The hot melt adhesive material can be selected according to the customer’s specifications.

[Representative's message]
We make new proposals applying our experience in unconventional plastic molding, with a special focus on new technology and hot melt adhesive molding. We are also taking on the challenge of overseas expansion by utilizing our present factory in Suzhou, China. We will continue to provide flexible support according to customer needs. 

[Company structure for market development/overseas expansion]
We are building an in-house production system with an established sales system and a broad range of support. Our goal is to realize proposal-type sales, and to actively support customers in various businesses and industries to improve required quality and shorten production times in new technological fields. We have received requests from our customers in various fields to expand globally as soon as possible. We are also making quick preparations to construct a system based on our business plan.

[Market share/Ranking]
Plastic-molding CD packages: No. 1 in the domestic Japanese market.
Hot-melt adhesive molding: Top leading-edge technology in domestic Japanese industry. 

[Awards and media coverage]
Kagaku Kogyo Nippo (Chemical Industry Daily) (2012).
Nikkei Monozukuri (2013).

Received ISO 14001 certification in 2003 through SGS.
Recognized as a Sony Green Partner. 

[Joint research and development]
Development of original specifications corresponding to a molding machine manufacturer and hot melt adhesive material. 
Development support of materials that comply with the requirements of each material supplier and customer.

[Factory (domestic)]
Kanagawa, Yamagata, Hokkaido, Miyagi

[Factory (overseas)]

[Exhibition History/Information]
Participated in INTERNEPCON in January 2014. 
Messe Nagoya 2014 (November 5 to 8, 2014) (planned).

This company is recommended by the following support organizations.

Marketing Support Department, SMRJ
Kanto Head Office, SMRJ