天津華海方圓鋼鐵貿易有限公司

16CrMnH圓鋼*

45CrH圓鋼*

40CrH圓鋼，

40CrH圓鋼*/

40CrH圓鋼*

20Cr1H圓鋼*

20CrH圓鋼*/

20CrH圓鋼*

15CrH圓鋼*

45H圓鋼*

F40MnV圓鋼*

F35MnVN圓鋼*

F45V圓鋼*

YF45MnV圓鋼*

YF40MnV圓鋼*

YF35MnV圓鋼*

YF45V圓鋼*

YF40V圓鋼*

YF35V圓鋼*

16MnCr5圓鋼*