Henan Jianhui Construction Machinery Co., Ltd is located in the industrial area of Zhengzhou, Henan, China. Our company is an ISO9001:2000 certified company and has been continually awarded by the local government . We are a professional carbon steel, alloy steel, tool die steel, spring steel, bearing steel manufacturer in China. our main products include carbon steel round bars, alloy steel round bars, tool steel rounds and flats, spring steel rounds and flats, bearing steel round bars, gear steel round bars, etc. We have hot rolled round steel bars and forged round steel bars. Our products have been exported to all over of the world, such as Asia, South America, Middle East, Europe, Africa, etc.