数字显示  制造商、经销商、供应商

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"!

Since 1932 Hans & Jos. Kronenberg GmbH have produced high-quality components for the lift and machinery industry. With our demand to combine quality and design we have become a very successful partner of the international lift industry. We count among the leading European manufacturers of door interlocks, switches and lift operating panels.

关于我们

AFRISO于1869年由Adelbert Fritz在Schmiedefeld/Turingia创建，是一家创新的中型家族企业，在全球拥有1000多名员工，其中550多名员工在我们的四个德国工厂。传统上，我们生产温度和压力的测量和控制装置。50多年来，我们也一直在制造用于环境保护的测量、控制和监测设备。
今天，AFRISO是加热和储罐系统安全领域的领导者之一，也是压力、温度和液位测量技术领域的工业合作伙伴。“智慧首页”等潮流话题与我们也有一个传统：我们从1997年就开始处理“楼宇内事件报道”的话题。自2012年以来，最新的智能首页一代得到了进一步的可持续发展，为您的首页的建筑安全、提高居住舒适性或改善室内气候提供了令人信服的传感器和执行器。

hopf Elektronik GmbH is one of the oldest manufacturer of radio controlled clocks being synchronized by the DCF77 transmitter and one of the leading companies in Europe. The company was founded in 1972 and produces both conventional and satellite radio controlled clocks for industrial purposes. Our products have gained an outstanding reputation in many countries.
The company hopf is specialized in hard- and software alteration in order to realize specific customer’s requirements referring to special ranges of application. Our team of experienced experts and technicians advises you at any time. It is our philosophy to reach our customer’s confidence by efficiency and flexibility. Our production line is not only characterized by high quality standards but includes also services such as new developments, technical advices and training courses which are offered in the English language, too.
Our products are developed by our own engineers and are manufactured by using the newest technical equipment. Furthermore, the merchandise is tested for its functionality based on the required quality standards.
We want to have satisfied customers. That is the reason why the high quality of our products and our services is one of our uppermost company objectives.
Due to the high precision and reliability of the hopf radio controlled clocks our customers belong to the sectors of space technology, aviation, navigation, modern communication technology and energy supply. The industrial sector refers is covered by technology of measurement and registering of business operating data.

Rudolf Kiesewetter以他的名字命名了莱比锡的Excelsior工厂Rudolf Kiesewetter，他于1908年在德国建立了第一家测量仪器厂。1942年，工厂被摧毁，但在战争结束后，经过巨大而不懈的努力，工厂得以重建。
Kiesewetter先生于1958年去世。同年，该公司成为半国有企业。在前民主德国，Kiesewetter发展成为一系列测量技术产品的唯一制造商。主要产品包括开关面板仪表和曝光仪表。另一个重点是监测、转换和记录电量和物理量的设备。
随着德国的统一，Rudolf Kiesewetter Messtechnik GmbH获得了新生
。
努力工作、毅力、钢铁般的意志和不断的远见与远见相结合，产生了最高质量的产品。
Rudolf Kiesewetter Messtechnik GmbH及其产品在国内和国际上享有盛誉
。
我们宣称的目标是为您，客户，提供创新的产品，同时不断努力扩大产品范围，提供最新的技术。