. Langton Photonics is a cutting-edge semiconductor company founded in 2024, headquartered in Shanghai with a focus on ultra-high bandwidth InP laser chips. Country China Email Aerospace@langtonphotonics.com Telephone +8613917357157 Address Room 516, No. 42 Guangzhou Road, Development Zone, Nantong City, Jiangsu Province, China Partner website https://www.linkedin.com/company/langton-photonics/