Seiwa Industry is a modern high-tech enterprise engaged in ruby and sapphire manufacturing and development, production, sales and import/export trade of related components. It is also one of the large-scale manufacturer of micro-jewels in Japan. Our company has been committed to professional processing of industrial sapphire, constantly improving the variety of industrial sapphire products, actively developing jewel processing technology, researching and developing new jewel products. 

Our company’s products mainly include two series, jewel bearing(sapphire, ruby and ceramics for various instrumentation bearings, supports, high-precision measuring head components) and optical component (sapphire/ruby, BK7, fused quartz and other optical components made of quartz ). Seiwa Industry has been providing high-quality scientific research experimental samples and product customized processing services. Make an important contribution to the development of high-precision jewel processing industry.

Based on domestic marketing, the company's products have actively expanded foreign markets and application areas. Especially in recent years, sapphire/ruby optical windows with high technical content and cost-effectiveness, jewel optical components for special purposes, zirconia/oxide Aluminium ceramic components, non-metallic brittle materials and superhard material products are participating in the international market competition, the market share is increasing year by year, and the products are steadily exported to many developed countries and regions in Asia, North America and Europe, and are widely used in machinery , Chemicals, electronics, semiconductors, optics, laser technology, optical fiber communications, textiles, medicine and many other high-tech fields.

Seiwa Industry always adheres to the service concept of 'race against time and strive for perfection'. Our company has an international development strategy of creating the world's first brand in industrial sapphire application, research and production, and adheres to the commercial character of 'power to control the trend and reputation to win the future'. People work together to forge ahead and seek common development.