光电  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.

SHENZHEN INVT ELECTRIC CO., LTD, which was established in 2002, is a National Hi-Tech Company and the first China Drive Engineering Centre, principally engaged in the R&D, manufacturing and marketing of low, medium and high voltage inverters in the fields of electric drive and industrial control.
Has set up over 30 representative offices nationwide, INVT has cooperated with hundreds of Distributors at home and abroad, with its diversified users in over 50 countries and regions.
Our self-developed products cover a wide range including CHA/CHV/CHE/CHF/CHH, voltage level from 220V to 10KV and power rating from 0.4KW to 7100KW; can meet many kinds of applications.
With the mastering of mature vector control technology and special inverter control technology in various industries, as well as breakthrough of four-quadrant control technology, INVT has been keeping ranking the top among national inverter manufacturers.
INVT always aim to be your mutual benefit partner and professional drive solution provider.

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 experience makes us a partner who is in demand around the world: For architectural projects that catch your eye, high-quality modules for classic installations, OEM partners, and the turnkey construction of entire production lines.

未来的诀窍。
EBG electro已经上市70多年了！在这段时间里，我们已经从一个电器产品的地区性批发商成长为一个户外能源分销的国际专家，其产品被使用了数百万次。我们要感谢所有的客户，供应商和员工的良好合作，并期待新的十年与许多创新的想法。
请随时看一下我们完整的小册子。
如果您有任何问题，请不要犹豫与我们的销售团队联系。

Bosch Solar Energy AG is part of the Solar Energy
division of the Bosch Group and is a leading provider
of photovoltaic products. Whether small plants or
large-scale photovoltaic projects, Bosch Solar Energy
provides high-quality solar cells and modules for the
generation of power from sunlight. In addition, the
company constructs turnkey solar power plants for
private and institutional investors utilising only highquality
components.

SolarWorld AG has developed in just a few years from a trading company to a solar concern with integrated solar value chain process - from raw materials to the solar wafer, the solar cell, the solar module right up to ready, high-quality solar power plants.
Today, the company profits from the fact that it was early to set up the entire solar value chain: It has modern factories at all production levels to serve the solar market comprehensively. In addition, the company controls the development of solar power technology at all levels under its own roof.
The company employs more than 2,700 staff members in its locations in Germany, Spain, South Africa, Asia and USA - and this number is growing.