光電產品  製造商、經銷商、供應商

中航光電科技股份有限公司隸屬於中國航空工業集團公司，是中國規模最大的軍工防務及高端製造領域互連技術解決方案提供商。總部設在洛陽，在西安、深圳、東莞、沈陽、青島設有分公司和子公司。2007年在深交所上市（股票代碼：002179）。
公司總部擁有“國家級企業技術中心”、“博士後科研工作站”以及國家和國防認可實驗室，專業從事中高端光、電、流體連接技術與設備的研究與開發。目前自主研發各類連接產品300多個係列、25萬多個品種。截止2015年底累計獲得授權專利2000餘項，主編並發布行業標準200多項。公司通過了AS9100國際航空航天質量管理體係認證、ISO9001(2000)質量體係認證、TS16949體係認證、ISO14001環境體係認證、OHSAS18001職業健康安全管理體係認證等。公司多項重點產品通過了UL、CUL、CE、TUV、CB等安規認證。
公司產品廣泛應用於航空航天和軍事領域、通訊網絡與數據中心、軌道交通、新能源汽車、電力、石油裝備、醫療設備以及智能裝備等民用高端製造領域；產品遠銷歐洲、美國、以色列、澳大利亞、韓國、印度等海外30多個國家和地區。
公司秉承“航空報國、強軍富民”宗旨，踐行“誠信、厚德”為核心的特色企業文化，傾力打造全球領先的互連方案提供商。

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"!

機電領域的技術開發；機電產品製造，銷售；機電領域的技術轉讓，谘詢，服務。經營本企業自產產品及技術的出口業務和本企業所需的機械設備、零配件、原輔材料及技術的進口業務，但國家限定公司經營或禁止進出口的商品及技術除外。(依法須經批準的項目，經相關部門批準後方可開展經營活動)。