光电产品  制造商、经销商、供应商

中航光电科技股份有限公司隶属于中国航空工业集团公司，是中国规模最大的军工防务及高端制造领域互连技术解决方案提供商。总部设在洛阳，在西安、深圳、东莞、沈阳、青岛设有分公司和子公司。2007年在深交所上市（股票代码：002179）。
公司总部拥有“国家级企业技术中心”、“博士后科研工作站”以及国家和国防认可实验室，专业从事中高端光、电、流体连接技术与设备的研究与开发。目前自主研发各类连接产品300多个系列、25万多个品种。截止2015年底累计获得授权专利2000余项，主编并发布行业标准200多项。公司通过了AS9100国际航空航天质量管理体系认证、ISO9001(2000)质量体系认证、TS16949体系认证、ISO14001环境体系认证、OHSAS18001职业健康安全管理体系认证等。公司多项重点产品通过了UL、CUL、CE、TUV、CB等安规认证。
公司产品广泛应用于航空航天和军事领域、通讯网络与数据中心、轨道交通、新能源汽车、电力、石油装备、医疗设备以及智能装备等民用高端制造领域；产品远销欧洲、美国、以色列、澳大利亚、韩国、印度等海外30多个国家和地区。
公司秉承“航空报国、强军富民”宗旨，践行“诚信、厚德”为核心的特色企业文化，倾力打造全球领先的互连方案提供商。

After more than 30 years' rapid growth since the foundation in 1990, CASTECH INC. has become a recognized leading supplier of crystals, optics and laser components in the world. In 2008 CASTECH successfully completed IPO in Shenzhen stock exchange. (Stock Code 002222) Today, at our 450,000 sq ft advanced facility, over 1000 employees are dedicating to satisfy customer needs in terms of performance and cost effectiveness.
Crystals for Laser and Telecom Application:
With more than thirty years' untiring effort, CASTECH has developed flux, Czochralski, water solution and Bridgman-Stockbarger crystal growing technology, now is a worldwide leading supplier with largest mass production lines in the world for LBO, BBO, Nd:YVO4 and KTP. In addition, we also provide CLBO, BiBO, KDP, KD*P, Yb:CALGO, Yb:KGW, Ti: Sapphire, TGG, TSAG, α-BBO and other crystals for laser and telecom industries.

Zhejiang Crystal Optoelectronic Technology Co., Ltd. (COT) was founded on August 2, 2002 and listed on the Shenzhen Stock Exchange on September 19, 2008 (stock code 002273). In 2022, total revenue reached 43.76 billion yuan, with year-on-year growth of 14.86%, and the net profit climbed up to 5.95 billion yuan.
Over the past twenty years, COT has been a global optical expert in the field of information transaction, providing one-stop professional services from core components up to modules and solutions. At present, the company is involved in R&D and manufacturing process in five major industrial sectors, and its products include Optic Components, Thin-film Optics, Semiconductor Optics, Automotive Electronics & AR+, Reflective Materials, etc. The company has more than ten wholly-owned and controlling subsidiaries, and participates in multiple enterprises such as Japan Guangchi Co., Ltd., Ningbo Jishi Investment, Wuhan Wuyi Yuntong, Jingbang Optics, and Zhaoge Digital.
Our products span from Consumer Electronics, to Automotive Electronics and Metaverse. For Consumer Electronics, products such as Infra-Red Cut Filter (IRCF), Camera Cover Glass (CG), Narrow Band Pass Filter (NBPF) help COT to rank among the world's top producers and sellers. Our core competitiveness lies in its leading global technology integration ability to combine "Thin Film Design, Micro Nano Optic Techonology, Optic Cold Forming, and large-scale Automation" together. For Automotive Electronics, Head Up Display (HUD), Car Cams, and LiDAR window glasses have all been applied to the products and services of globally renowned vehicle manufacturers. For Metaverse, AI and display technology have developed rapidly in past few years, and COT has laid out a full technology path in the AR field to help incubate technology giants in mass production. In addition, the reflective materials produced by Zhejiang Yeshili, a wholly-owned subsidiary of Crystal Optech, have maintained a leading technological position in China for many years.
Looking into the future, with diversified application of Optics across different fields, the global optical industry has ushered in a golden opportunity. Crystal Optech will adhere to the guiding principle of "globalization, technology-oriented, and open cooperation", uphold the business philosophy of "be noble in life, be excellent in work", shoulder the mission of "innovation makes optics stronger, optics makes the world a better", and strive to "become an outstanding one-stop optical expert in the world"!

机电领域的技术开发；机电产品制造，销售；机电领域的技术转让，咨询，服务。经营本企业自产产品及技术的出口业务和本企业所需的机械设备、零配件、原辅材料及技术的进口业务，但国家限定公司经营或禁止进出口的商品及技术除外。(依法须经批准的项目，经相关部门批准后方可开展经营活动)。