J41Y手动高压铬钼钢截止阀

J11H-16C碳钢内螺纹截止阀

J41B氨用截止阀

J41W不锈钢美标高压锻钢截止阀

J61Y自密封高压截止阀

J44H高压角式截止阀

J44H角式截止阀

DJ44W-16P低温不锈钢角式截止阀

JY44W全铜氧气角式截止阀

Z41Y手动铬钼钢高压闸阀

J41N液化气截止阀

JY41W铜氧气截止阀