Suzhou Dowell Optics Co., Ltd. was founded in 2008. Dowell focuses on the R&D and manufacturing of optical components in the field of optical transmission and provides multi-technical platforms and multi-application scenarios optical component solution for customers. The products are mainly used in Optical communication, Industrial laser and Automotive optoelectronics.
Shenzhen Focuscom Technologies Co., Ltd.
Focuscom, established in 2014, is a national high-tech enterprise specializing in telecommunication network equipment, optical communication products, Ethernet switches (EPON, GPON, XGSPON), and one-stop solutions. With expert teams and strong partnerships, we ensure fast responses, innovation, and reliable services for customers.
Rapid Photonics
Rapid Photonics offers TFLN based 130 GHz MODULATORS for C-band and O-band for integration in SFPs and CPO. Our TFLN modulators are based on our proprietary and scalable CMOS-COMPATIBLE technology and have LOW DC DRIFT.
Prysmian North America
Prysmian is the planet’s leading solutions provider for energy and digital connectivity. We combine engineering excellence with sustainability-driven innovation, powered by 34,000 employees, 109 production facilities, and 30 R&D centers in 50 countries. Publicly listed on the Italian stock exchange, Prysmian recorded 2025 revenues of approximately €20 billion.
Profiber Vietnam Industry Co., LTD
Found in 2019, headquartered in Vinh Phuc Province,Vietnam. Profiber specializes in manufacturing all kinds of fiber optic cables, optical jumpers and fiber optic connection devices. We have achieved international certification including ISO 9001: 2015 and UL，subsequently, ISO 14001: 2015, and 45001: 2018. | Founded in 2019 and headquartered in Phu Tho Province, Vietnam, Profiber specializes in indoor fiber optic cables, jumpers, and connectivity devices. Certified with ISO 9001:2015 , UL and RBA CSR, we focus on quality, customer satisfaction, sustainable growth, and long-term cooperation with global partners
Plugtech Precision Systems Limited
Plugtech Precision Limited Systems (Hong Kong) focus on developing optical modulator bias voltage controllers and customized module. We have patented bias controllers specially designed for LiNbO3 MZ, QPSK, DP-QPSK modulators. All the bias controller products are small in size and easy to use without manual calibration. | PlugTech specializes in the development of advanced optical modulator bias controllers and modules. Our patented bias controllers are engineered for a wide range of modulators, including bulk LiNbO₃ and TFLN MZ, SPIQ, and DPIQ devices. We offer both Electro-Optic (EO) and Thermo-Optic (TO) controllers with compact size and user-friendly operation.
PhotonIC Technologies
A Global Fabless Chip Design Company Specializing in Optoelectronic Integrated Chips (High-Speed Datacenter, Optical Sensors, LIDAR and AUTO).
PHOGRAIN Technology Pte. Ltd.
PHOGRAIN was established in 2015. As a leading enterprise in the field of photodetector chips and smart sensors, it holds over a hundred key technical patents in this sector and has shipped more than 100 million photodetector chips and optical sensors.
OPTOKON
OPTOKON, founded in 1991 in Jihlava, Czech Republic, is a global leader in fiber optic and opto/electronic technologies. It delivers high-performance solutions for telecom, defense, and industry, ensuring secure communication. Certified with ISO 9001, EMS ISO 14001, and NATO Code 1583G, OPTOKON operates in 64+ countries.