CASTECH Inc. is a China-based company principally engaged in the research and development, manufacture and sale of optical crystals, crystalline materials and laser components. The Company's products are categorized into four types, including nonlinear optics crystal components, laser crystal components, laser optical components and laser components. Nonlinear optics crystal components include lithium borate (LBO), beta-barium borate (BBO) and potassium titanyl phosphate (KTP). Laser crystal components mainly include neodymium doped yttrium orthovanadate (Nd:YVO4). Laser optical components include lens, reflectors, wave plates and optical window sheets, among others. Laser components include insulators, collimators and electro-optic switches, among others. The Company is also involved in the provision of technical consulting and technical support services. The Company distributes its products in domestic market and to overseas market.
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