廣騰閥門鑄鐵截止閥球墨鑄鐵截止閥廠家.
鉻鎳鉬鈦鋼Cr.Ni.Mo.Ti steel 鉻鎳鉬鈦鋼Cr.Ni.Mo.Ti steel 鉻鎳鉬鈦鋼Cr.Ni.Mo.Ti steel 鋁青銅Albronze 柔性石墨Flexible graphite 不銹鋼Stainless steel 可鍛鑄鐵Forgeable cast-iron
J41Y-I型J941Y-I型 鉻鉬鋼 Cr.Mo steel 鉻鉬鋼Cr.Mo steel 合金鋼Alloy steel 鈷基硬質合金鋼C0-based carbide alloy steel 鋁青銅Albronze 柔性石墨Flexible graphite