- CEO
- Qiu Hua Chen
- Full Time Employees
- 2,236
- Sector
- Electronic technology
- Industry
- Electronic components
- Address
- Building No.9 Fuzhou FU China 350003
- IPO Date
- Mar 20, 2008
- Business
- CASTECH Inc. (002222.SZ), founded in 1990 and headquartered in Fuzhou, Fujian Province, China, principally engages in the research, development, production, and sale of crystal components, precision optical components, and laser devices for applications in solid-state lasers, fiber lasers, optical communications, AR/MR, LiDAR, semiconductor equipment, biomedical instruments, analytical instruments, and scientific research. The company offers a comprehensive portfolio of nonlinear optical (NLO) crystals including LBO, BBO, CLBO, and BiBO; laser crystals such as Nd:YVO4, Yb:CALGO, Yb:KGW, and Ti:Sapphire; magneto-optical crystals like TGG and TSAG; birefringent crystals including α-BBO and KD*P; precision optics encompassing aspherical lenses, cylindrical lenses, waveplates, polarizers, beamsplitters, diffraction gratings, mirrors, prisms, and high laser damage threshold coatings; and laser components comprising magneto-optic devices, acousto-optic devices, electro-optic devices, fiber-optic devices, beam expanders, photoelastic modulators, optical fiber combiners, isolators, modulators, pump sources, galvanometers, gratings, and CNC systems along with laser processing equipment for cutting, welding, marking, cleaning, measurement, cladding, medical, and additive manufacturing uses. CASTECH operates advanced manufacturing facilities exceeding 40,000 square meters with over 1,000 employees, exporting approximately 50% of its products to North America, Europe, Japan, and other Asian markets while maintaining a global sales network; the company completed its IPO on the Shenzhen Stock Exchange in 2008 and holds certifications including ISO 9001, IATF 16949, ISO 14001, and ISO 45001. Recent developments include ongoing expansions in grating production capacity for optical communication and ultrashort pulse lasers, structural adjustments forming dedicated crystals, optics, and laser components divisions, and active participation in industry events such as Photonics West 2025 showcasing innovations like non-inertial scanning devices based on 2D acousto-optical deflectors, alongside recent technical advancements highlighted in Nd:YVO4 and DKDP crystal applications as of late 2025.