J42B角式氨用阀截止阀

J24B角式外螺纹氨用截止阀

J11B内螺纹氨用截止阀

J41B氨截止阀

J41H法兰截止阀

BJ45H夹套保温截止阀

J41W不锈钢截止阀

YJ41W氧气截止阀

BJ41W保温截止阀

J44H角式截止阀

DWJ41H德标波纹管截止阀

J44H高压角式截止阀