About Castech Inc. Company

The company was founded in 1990 by Fujian Institute of Material Structure, Chinese Academy of Sciences, and listed on the Shenzhen Stock Exchange in 2008. The company's mission is “a powerful driver of the development of the optoelectronics industry”, and has now become a world-renowned leading manufacturer of LBO crystals, BBO crystals, Nd:YVO4 crystals, ultra-precision optical components, diffraction optics and lithography elements, high-power optical isolators, acousto-optic and electro-optical devices. The company's products are widely used in lasers, optical communications, semiconductors, AR/VR, life sciences, driverless driving, environmental monitoring equipment, and testing and analysis instruments. The company's main business is R&D, manufacturing and sales of products such as crystal components, precision optical components and laser devices. The company's main products include nonlinear optical crystals, laser crystals, magneto-optical crystals, birefringence crystals, acousto-optic crystals, window films, reflectors, prisms, polarizers, cylindrical lenses, spherical lenses, waveplates, spectroscopes, diffraction gratings, other characteristic optical components, magneto-optical devices, acousto-optic devices, electro-optical devices, drivers, optical fiber transmission systems, optical switches, optical lenses, etc. The company has received honors such as the China Invention Patent Gold Award, High-tech Enterprise, the Chinese Academy of Sciences Science and Technology Progress Grand Prize, and the “2019 China Optoelectronics Industry Influential Enterprise”.