山东迪浩耐磨管道股份有限公司

select id,productname,image,descriptions,prodsortid from plproduct where userid='sunday912' AND productsortids='2643221' AND (class>-1 or class=-3 or class=-1000 or class=-1001) and yzt2 in (2,3) order by xuhao asc limit 0,10===2