Sangfor Technologies provides WAN optimization controllers (WOC) that accelerate network traffic between offices by reducing bandwidth use by 30-90% and improving data transfer speeds up to 60x. Their WOCs feature link acceleration, reporting, traffic visibility, bandwidth management, data reduction, application optimization, and built-in IPsec VPN for secure connectivity between remote offices. Sangfor offers a range of WOCs to suit networks of different sizes, with throughput speeds ranging from 2Mbps to 1Gbps.