光學製造  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"!

AKA Optics ist ein weltweit führender Anbieter von adaptiver Optik für Hochleistungslaser . mit mehr als 160 Systemen in Betrieb in den besten internationalen Laseranlagen.
Die Mission von AKA Optics ist die Entwicklung, Herstellung und der weltweite Verkauf von adaptiven Optiksystemen mit geschlossenem Regelkreis, verformbaren Spiegeln und Wellenfrontsensoren unter Verwendung der von Active Optics NightN übertragenen Technologie.

We take precision seriously
Optik+ is your expert and experienced partner in optical precision machining. Since 1926, we have been working with the utmost precision on materials like glass and ceramics to gain the trust of our customers.
Our extensive know-how is always based on the latest developments, and this ensures that we can offer our clients the highest possible level of reliability. As a traditional family company – the fourth generation is already well-established within the company – we place great importance on a number of rather rare values: loyalty; courtesy and respect, also towards our employees, a sense of responsibility and sustainable entrepreneurship.
Driven by the spirit of the past, we focus on today and also what the future holds in store - with our accredited products and services, we successfully occupy a niche in this specialised branch. However, that doesn’t mean to say that we don’t trust ourselves to come out into the open. We are happy to convince you by providing the perfect solutions for your optical products.

„DIOPTIC sees itself as a think-tank for optical technologies and developer of tailor-made optical systems, special optics and high-performance infrared lenses. We are market leaders in computer-generated holograms for aspheric testing and for laser beam shaping, and we support every client with customized advice based on our deep expertise in these fields." Jean-Michel Asfour

Optomech GmbH provides you support in all tasks around the product development in optics, optomechanics and optoelectronics, medical technology, precision engineering and metrology. Our range of activities encompasses services for the entire development process included product definition with the elaboration of specifications, design, construction, prototype fabrication and full series launch with its support.
Of course, Optomech is also happy to handle your full series launch.