East Tender Optoelectronics 

Founded in 1989 and headquartered in Yilan, Taiwan, East Tender Optoelectronics Corporation specializes in the production of optical filters and various related components. The company caters to the optics, photonics, and optical communication industries, serving clients across Taiwan, Mainland China, South Korea, and international markets. Its comprehensive product offerings encompass a wide array of advanced optical filters, including those for LIDAR systems, diverse wavelength-division multiplexing applications (WDM, LWDM, MWDM, FWDM, DWDM, CWDM), bio-photonics, band separation, edge filtering, and dual bandpass requirements. Additionally, East Tender supplies specialized optical elements such as transmission attenuation plates, triplexers, anti-reflection (AR) and mirror coatings, polarizing beam splitters/combiners (PBS/PBC), prisms, and optical blocks. These precision-engineered products are crucial for numerous applications, notably in cloud data centers, both active and passive components within optical communication networks, and bespoke filter solutions.