On April 2, the price of steel-plastic composite pipe fell slightly in Guangzhou. Q125 (ASTM A283 Gr.C) Ronggang DN20 (3/4"*2.5mm) plastic-lined 1213.15; down 4.23; Q235 (ASTM A36 Gr.D) Ronggang DN125 (5"*4.0mm) plastic-coated 1087.75, down 4.23. (USD/ton)