We are the one of the biggest steel pipe mill in HuaBei area and the unique seamless manufacture mill in CangZhou area, the scale and the beneficial result is both first&＃8212;rate.ZHONGHAI company has the  branch mill including Hebei zhonghai steel pipe manufacture limited company,hebei zhongtian seamless steel pipe manufacture limited company,stayed office in GuangzZhou, ShiJiaZhuang international selling department, as the good reputation mill which many famous enyerprise and international company authorized,we have the world advanced produce equipment and  precise quality examine instrument, our company professional manufacture the seamless steel pipe (ID51mm---920mm) , hot----rolling steel pipe (ID76mm----630mm) welding steel pipe ,hot---expanded steel pipe.spiral steel pipe (ID219mm---3140mm) the products were widely applied the area covered oil gas, chemical plant and elecric power as well as fire control ect.. our proucts export America, Korea .indea, pakistan and so on.. ? contact us one time .we will be friends forever?. We are looking forward to cooperating with you sincerely.