Work exactly as expected.
Amazing. I bought 20pcs 10GBASE-SR, MMF, 850nm, 300m module. Easy to install and the switches work perfectly. Highly recommended.

1 review
Founded in 2001, Guilin GLsun Science and Tech Group Co., Ltd is a high-tech enterprise based in Guilin China, specializing in R&D, production, and sales of high-end semiconductor laser chips and optical active and passive components. With a wide product portfolio, GLsun offers DFB LD chips, optical transceivers, optical switches, splitters, fiber patch cables, VOA, WDM devices, modules, rackmount, network solutions for data center, telecom.
Written by the business, not verified by us.Guilin GLSUN Science and Tech Group Co., Ltd (glsun.com) has a 5.0 out of 5 rating on OK.one, based on 1 user reviews collected here. It is listed under Construction & Manufacturing and its reputation is excellent. Praise is nearly unanimous, with 100% rating it 4 stars or higher. Last updated 2026-10-25.
Amazing. I bought 20pcs 10GBASE-SR, MMF, 850nm, 300m module. Easy to install and the switches work perfectly. Highly recommended.
1 review matching