塗層光學  製造商、經銷商、供應商

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"!

Our core competence is the coating of optical components for technical applications.
With innovative coating designs, we modify the physical surface properties of glasses, plastics and metals. In this way, we influence reflection, transmission and emission behavior so that they meet the requirements of your application. Thin dielectric and metallic layers can be used to make high-precision adjustments to the optical surface characteristics. With a broad portfolio of vacuum coating systems of various technologies, Bte develops economical, high-quality coatings that perfectly adapt to the products and applications of our customers.

愛特蒙特光學（EO）作為全球領先的光學、成像和光子技術供應商，自1942年成立以來一直服務於生命科學，生物醫學，工業檢測，半導體，研發和國防等各個行業。 EO設計並製造了一係列應用廣泛的光學元件、多元件鏡頭、成像係統以及光機械設備，同時批量生產標準產品和定製產品以支持OEM應用。 EO足跡現已遍布全球九個以上的國家/地區，擁有員工1,000多名並還在繼續擴大。
EO以幫助客戶從原型製作到批量生產為榮，並專注於提供經濟高效，符合客戶規格要求、時間表和預算的解決方案。無論客戶要求的是標準光學產品，還是依圖建置的定製光學元件，或是專業應用工程及設計優化，甚至是為滿足客戶提出要求的全套定製，我們的工程團隊都能提出理想的解決方案。在生產過程的每個環節，愛特蒙特光學（Edmund Optics®均致力於保證產品和程序品質。

WIR LACKIEREN FÜR SIE SEIT 1981
Die 1981 in Forel bei Lausanne gegründete Schweizer Firma Metalcolor gilt in der Fachwelt als führender Spezialist für kontinuierliche Bandbeschichtung von Aluminiumbändern (Coil Coating). Seit Anbeginn sind qualitative Resultate der Kern unserer Unternehmensphilosophie. Das Unternehmen hat sich seit seiner Gründung bedeutend weiterentwickelt. Die Produktionskapazität in der Bandbeschichtung hat sich seit 1982 von 1 Million m² auf gegenwärtig jährlich 15 Millionen erhöht. Unser breites Produktangebot, kurze Lieferzeiten, Flexibilität und Zuverlässigkeit machen Metalcolor zu einer erstklassigen Referenz für Coil Coating im Industriebereich.
Wir sind weltweit präsent und europaweit führend in der Lieferung von Bändern zur Herstellung von Sonnenschutzlamellen. Bei der Entwicklung von maßgeschneiderten Produkten und Lieferkonzepten stellen wir den Kundenservice in den Mittelpunkt.