... mechanically rolled in morden plants where the heating, rolling and colling . Carbon steel sheet: 1:Type Symbol :SS330,SS400,Q195,Q235,ZJ330B ... ,ZJ400B,20,30,SPHC,SPHD,SPHE2:Low alloyed steel .Type symbol ... ,ZJ650W,ZJ700MC,ZJ700W,HSLAS-F100 S700MC.4.Corrugated steel with lath and lentiform.Type symbol: ZJHWOur products are high quality ...