With the domestic monetary liquidity environment gradually relaxed, period snail market also ushered in a sharp rise.However, after a new round of surge, so far, the market began to adjust, but the di...
Q345B round steel corrugated tube heat exchanger is on the basis of tube and shell heat exchanger, using special Q345B round steel plate, the top ranking paper roll into a round shape thin-walled tube...
Q345B alloy round steel is the material with better hardenability. After proper heat treatment, it can obtain the comprehensive mechanical properties of strength, hardness, toughness and fatigue stren...
Threaded steel bar is widely used in building, bridge, road and other civil engineering construction.Large to highway, railway, bridge, culvert, tunnel, flood control, dam and other public facilities,...