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Latest update: 18/03/2019 17:54:26

JUN CORPORATION

We are a plastic injection molding manufacturer aiming at an overwhelming top position with products manufactured by gas injection

Our company manufactures and sells plastic injection-molded products for automobiles, medical equipment, and home electronics appliances. We conduct processing from R&D to mass production with a commitment to special technologies such as gas assist and heat-and-cool. Our automotive grips based on the gas assist method are adopted for Honda and Subaru cars. They have the top market share in the Kanto region. Our automotive resin pipes have solved many issues such as thickness variation and resin amount reduction, and have even been adopted for medical equipment. Our products based on the heat-and-cool method are highly evaluated in the automobile industry for their high-grade piano black appearance that does not requiring coating. They are adopted for Subaru cars.

Inquiry
Main image

Sales Pitch

Gas injection technology
[Cost reduction]
Uneven-thickness structures are possible, so several parts can be integrated for cost reduction. Low-pressure nitrogen gas is used for the general mold-retention pressure, so the mold clamping pressure can be halved to enable downsized molding machines.
[Weight reduction]
We can make pipes from resin by using hollowing technology based on gas injection to replace metal pipes and hoses for weight reduction. Our resin pipes have stable bores produced by blowing balls with nitrogen gas (RFM).
[Improvement of appearance quality and dimensional accuracy]
We solve issues about resin molding, such as shrinkage and warpage. We apply pressure from inside using nitrogen gas where shrinkage usually occurs. Nitrogen gas makes the pressure distribution even throughout an entire product, so differential shrinkage decreases and dimensional accuracy improves.
Heat-and-cool technology
[3D weld-less]
Our company uses steam for the heat-and-cool method. Our 3D weld-less molding features a faster temperature rise and fall and excellent molding cycle compared with other methods.
[Piano black (non-coated)]
We can reproduce rich, deep black like a piano. Torsion-free reflections like a mirror produce beauty beyond coating. Coating is unnecessary, so costs can be reduced nearly 90%.
[Silver metallic (non-coated)]
We successfully eliminated black lines (refractive shadows at welding points) from metallic resin mixed with aluminum or other material. We do not have a track record of mass production as of 2017, but we will achieve intensity pleasing automobile manufacturers.

Catalogue/Pamphlet/Proposed

annai 2017.pdf

Other presentation

[Company Strengths]
We are aiming at an overwhelming top position with products based on gas assist technology. Development projects for automobile manufacturers account for as much as 20% of our sales.

[Business Description]
Our company manufactures parts for automobiles, medical equipment, and home electronics appliances by plastic injection molding We conduct R&D and mass production with a commitment to special technologies such as gas assist and heat-and-cool.

[Industry]
Plastic manufacturing

[Product and Technical Strengths]
Our automotive grips based on the gas assist method are adopted for Honda and Subaru cars. They have the top market share in the Kanto region. We recently developed an automotive resin pipe using a top runner based on the gas assist method. It solves many issues such as thickness variation and resin amount reduction, and the pipe is even used for medical equipment. Our coating-less piano black products based on the heat-and-cool method are highly evaluated in the automobile industry as products for a high-grade appearance. They were recently adopted for Subaru cars and are now used for six parts.

[Representative's Message]
Our technology has improved remarkably because of our experience in joint development with Toyota Motor. We have been improving the technical levels of our employees at the same time. The number of our customers among Tier 1 manufacturers is increasing by one or more every year. We have been challenging ourselves to difficult themes that are usually given up. We will continue to take on world-first challenges and to enhance our technical capabilities.

[Company Structure for Market Cultivation and Overseas Expansion]
Our representative director and sales staff handle new development projects and respond to inquiries. We have six technicians as field engineers for R&D. We do not have overseas expansion in mind, so we cannot use any language other than Japanese.

[Market Share and Rank]
Top ranking in terms of technology

[Awards and Media]
[Awards]
Ministry of Economy, Trade and Industry, 300 of Japan's Vibrant Monozukuri (Manufacturing) SMEs; Gumma Prefecture Excellent Company Award; commendation by the Chief of the Takasaki Labor Standards Office; commendation for rationalization of conversion from electricity to mechanical power; Excellent Specialist Award; and so on
[Media]
TV news programs (NHK, Fuji, etc.), newspapers (Nihon Keizai Shimbun, Nikkan Kogyo Shimbun, etc.), radio programs (FM Gumma, etc.), and magazines (Magazine X, etc.)

[Certificates and Licenses]
ISO 9001; Eco Action 21; Eruboshi; Strategic Core Technology Advancement Program; Go Company; medical equipment manufacturing and sales license

[Joint Research and Development]
Toyota Motor (trial manufacturing and development of resin pedals and switches, side mirrors, and valve caps); Honda Motor (trial manufacturing and development of resin pipes); Nissan Motor (trial manufacturing and development of resin pipes); Gumma Industrial Technology Center (enhancement of the gas assist method and analysis of resin and nitrogen gas flows using visualized flows)

[Main Customers and Track Record (in Japan)]
Toyota part manufacturer (valve cap mass production); Honda part manufacturer (grip mass production); Subaru part manufacturer (mass production of cup holders and other high-grade appearance parts); Nissan part manufacturer (mass production of sun visors and other parts); and so on

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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