SunSirs: The Market Price of Seamless Tube Rose Slightly on the 21st

　　According to the statistics of SunSirs, on the 21st, the market price of seamless tube rose slightly. The spot price of 20#, 108*4.5 seamless tube was 5,960 RMB/ton, an increase of 0.72% from the previous trading day and a year-on-year increase of 12.88%.　　Analysis review　　From the 21st, the environmental protection policy in Linyi area has been…