~Top Share of Resin Glass Products Using Unique Technology~

Established in 1976

Corporate Strengths

We manufacture plastic glass made of polycarbonate resin. Our products are used in a variety of ways, such as for automobiles, buses, railway cars, and construction machinery. Our technical abilities and performance of the products has gained high reputation, as we fulfill orders from around the world.

Unique, Best-Selling Products and Services

■ Polycarbonate resin windows and window frames (No1 in Japanese Market)

The keyword for the products manufactured by RENIAS is “light”. The power of light enhances the performance of resin glass dramatically. Our plastic windows, manufactured using our unique technology and named as “RENCRAFT®” cannot be made by other competitor and has the largest share in Japan’s resin glass industry and the exports of the products has been expanding.

Appeal to New Graduates/Mid-Career Recruits

Leveraging our integrated polycarbonate resin processing system and advanced aluminum machining technology， we hold the No.1 market share in Japan for products such as construction machinery roofs， sashes， and golf cart front windshields. Polycarbonate offers transparency comparable to glass， while being half the weight and approximately 250 times more impact-resistant. These lightweight yet highly durable polycarbonate products are now expanding into a wide range of industries， including railways， electric vehicles (EVs)， and industrial machinery. Our security products， such as protective shields， have also gained significant media attention and are trusted for their performance and reliability.

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  Polycarbonate window used for skylights
  in construction machinery

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  Polycarbonate resin windows used globally
  in forestry machinery

Company profile