002222.SZ SHZ

CASTECH Inc., established in 1988 and headquartered in Fuzhou, China, specializes in the research, development, production, and sale of advanced optical materials and laser-related components. The company's diverse product portfolio includes various types of crystals, such as nonlinear optical (NLO), laser, magneto-optical, birefringent, acousto-optic (AO), electro-optic (EO), and scintillation crystals, along with essential accessories like ovens and temperature controllers. Furthermore, CASTECH manufactures a wide array of precision optics, encompassing coatings, windows, mirrors, prisms, spherical and cylindrical lenses, waveplates, polarizers, beamsplitters, aspherical lenses, diffraction gratings, and other specialized optical elements. Its offerings also extend to laser components, including magneto-optic, acousto-optic, electro-optic devices, and broader laser application equipment. While its primary market is China, CASTECH actively exports its products to international regions, including North America, Europe, Japan, and other parts of Asia.