ATOP Corporation is a leading manufacturer of optical transceivers. ATOP is proficient in R&D, production and sales of optical components, transceivers and sub-systems. ATOP now offers a full range of transceivers from 155M/bps to 100G/bps, along with 40G QSFP+ AOC/DAC Cable and 10G SFP+ AOC/DAC Cable. ATOP’s professional research and production capabilities/capacity is one of our key advantages. With many years of experience in high speed transceivers design.