ZKFZKF弹簧式真空阀

FK45XFK45X重锤式防止真空阀

TY-ZKF14TY-ZKF14先导控制三通真空阀

H42XH42X铸铁底阀

GJ641XGJ641X调节型气动管夹阀

GJ41XGJ41X铸铁手动管夹阀

GJ41XGJ41X手动管夹阀

GJ41XGJ41X型-铸铁管夹阀

GL41X铝合金手动管夹阀

GJ641XGJ641X常闭型气动管夹阀

GJ6K41X-6LGJ6K41X-6L常闭型气动管夹阀

GJ941XGJ941X电子式电动管夹阀