[A-share PCB concept sector continues strong momentum, Baoding Technology hits two consecutive limit-ups, Yihau New Materials and International Composite Materials rise over 10%] Odaily Planet Daily News: The A-share PCB concept sector continues strong momentum, Baoding Technology hits two consecutive limit-ups, Yihau New Materials and International Composite Materials rise over 10%, while Huazheng New Materials, Shengyi Technology, and Han's CNC rise over 7%.