[SMM announcement: notice of end of Service in Liyuan Zone]

According to SMM's research on industry customers and valuable suggestions provided by industry insiders, in order to better serve customers in the industry chain and provide more professional, fast and convenient information, SMM launched an upgraded version of the lead zone in April 2020, which contains the contents of the "lead" and "Liyuan" zones, and the original Liyuan zone will officially end its services on May 11.