J64Y焊接型角式截止阀

铸铁内螺纹截止阀

J41H法兰连接钢制截止阀

BJ41H保温截止阀

J44Y/L44Y高压角式截止阀、节流阀

J41W不锈钢截止阀

NKJ61H真空截止阀

YJ41W氧气截止阀

J11W不锈钢内螺纹截止阀

BQ41F/PPL二通软(硬)密封保温球阀

BQ41F缩径保温球阀

BQ71F型意大利式超薄型保温球阀