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Latest update: 27/04/2017 14:15:05

Sougou Plastic Co., Ltd.

We are a resin product manufacturer that is also expanding to the biotechnology field.

We are a plastic product manufacturer founded in 1960. We have expanded our business to a wide range of fields from POP tools to light electric current products, electronics, automobile parts, and transfer molding systems. We focus on injection molding products. We have established an integrated system for support from proposals to design, development, and mass production, and we conduct 24-hour operation. This is how we support various customer needs. We have also expanded to the biotechnology field. We handle plastic products including capsular Blades, TI genome eluters, and LF γ tubes. We have a track record of deliveries to SUMCO, P&G, and so on.


Other presentation

[Company strength]
We have been supporting needs in a wide range of industrial categories since our foundation. We have recently expanded to new business fields such as biotechnology. We are located at walking distance from a station on Tokyo’s Yamanote Line. We introduced an injection molding machine of a class exceeding 300 tons in response to customer needs, and expanded our business with 24-hour operations. We can fully support requirements including quick delivery, small lots, and high quality. The small size of our company gives us effective maneuverability, and we receive high evaluations from many customers.

[Business description]
We are a manufacturer that handles plastic mold processing with a focus on injection molding. We provide services from proposals to design, development, and mass production. We also handle products in the biotechnology field, including our capsular blade, TI genome eluter, and LF γ tube.

Assorted plastic planning, development, and manufacturing

[Strength of products/technologies]
We deal with articles from POP tools to light electric current products, electronics, automobile parts, and transfer molding systems, and respond to various customer needs. This is done by making use of our wealth of experience, good track record, and high-level technology power. We have the advantage of being able to offer integrated services from proposals to assembly. We work on total coordination covering from design planning to modeling, prototype presentation, and product delivery. We have carried out patent applications and utility model registrations for some parts of products created by our company as intellectual property.

[Representative's message]
We have consistently received high evaluations from our customers for our high-precision, high-quality products. These products have been regarded as high-quality reliable parts created by a highly reliable manufacturer. Our client IDEASKETCH tells us that there are few SMEs that can propose fundamental design and structural design. This is the reason why we have received high evaluations from our customers. We want to continue to work hard to respond to customer requirements.

[Company structure for market development/overseas expansion]
We have focused on domestic Japanese sales to date. We are now at the stage of planning an appropriate corporate system according to the situation of overseas sales for our newly developed products. 

[Awards and media coverage]
Urban-Type Industry Grand Prize (February 9, 1994).


[Joint research and development]
Japanese Unexamined Patent Application Nos. 2010-279469, 2005-081613, and 2004-234351.
Japanese Registered Utility Model Nos. 3108924 and 3107733.

[Main Clients / Business History (domestic)]
SUMCO (containers for silicon wafers) and P&G (sanitary products).

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ