Shanghai ZLAN has core technology in the IOT. ZLAN has the independent software rights of embedded TCP/IP protocol stack software - ZLIP, and in 2007 to obtain the national copyright registration (Registration No. 2007SR09907). ZLAN in the field of serial server, first developed a single chip serial server, the serial server core technology integration in a chip, we can directly provide the chip. ZLAN communication in the Internet of things proposed P2P serial server products, it is a new concept of networking, and has applied for national patent. In the multi serial server field, ZLAN with a new multi serial server design patent (Patent No. ZL 201420108890.3).