常年銷售20Cr圓鋼、40Cr圓鋼、Cr9Mo合金管、Q345E無縫管、27SiMn鋼管等各種規格型號圓鋼和無縫管產品
產品材質規格價格
Cr9Mo合金管Cr9Mo126*5.55698
Cr9Mo合金管Cr9Mo25*3.55148
Cr9Mo合金管Cr9Mo50*45288
www.20cryg.com/products/551.html
www.20cryg.com/products/552.html
www.20cryg.com/hydt/20Cr/
www.20cryg.com/hydt/40Cr/