J24B-16P,J24F-25P,DN20-DN25外螺纹氨用截止阀
面议
J24B-16P,J24F-25P,DN20-DN25外螺纹氨用截止阀
面议
J11W-10T,J11W-16T,DN15,DN20黄铜内螺纹截止阀
面议
J11W-10P,J11W-16P,DN25不锈钢丝口截止阀,不锈钢内螺纹截止阀
面议
J11T-10,J11T-16,DN20丝口截止阀,DN25铸铁丝口截止阀
面议
J11T-10,J11T-16,DN15苏式铸铁截止阀
面议
J24W-64P,J24W-160P,DN6角式针型截止阀,DN10外螺纹角式截止阀
面议
J23W-160P,J21W-64P,DN2外螺纹针型截止阀
面议
J11Y-25C,J11Y-40C,DN25内螺纹锻钢截止阀
面议
J61W-16P,J61W-25P,DN25不锈钢焊接截止阀
面议
J61Y-16C,J61Y-25C,DN20锻钢焊接截止阀
面议
焊接截止阀,J61H【J61Y】-DN32高温高压焊接截止阀
面议
DJ61H-16C,DJ61W-16P,DN32焊接低温截止阀
面议