Hubei mingsheng industry and trade co.,ltd is established in march 2004.as the agent of WISCO???AOSTEEL and MASTEEL,we specialized in selling Low carbon bainite steels,high-strength welded construction steel,high-strenghth abrasion resistant steel plate and so on.
The grade we can offer as following ,
1.Low carbon bainite steels
DB590R
DB685R
DB685D??????
Bainite steel with low carbon own high-strength, high toughness , good welding performance and Cold forming performance,it can be good used in making high strength engineering machine welding structure,as the jib leg and  frame of crane,Automobile Beam and so on.
2.high strength welded construction steel
Q390A-E
Q420C-E
Q550C-E
HG60-HD
HG60-HE
SM570
HG70C-E
HG785D-E
This series is high-strength construction steel,it is high strength,good fatigue resistance,high toughness and low brittle transition temperature; well cold forming and  welding performance,also it own good resistance to corrosion and wear-resisting property,it has been  widely used in kinds of crane ,heavy truck, Oil derrick, high temperature fan, Large power shovel, dump truck,drill,hydraulic support mine, steel structure and so on
3. low-alloy  welding  structural steels.
HJ58C-E

This series own well comprehensive performance,can be good used in engineering machine structure ,hydraulic support mine and so on.