YJZQ型外螺紋高壓球閥YJZQ型內螺紋高壓球閥YJZQ型板式高壓球閥CJZQ型外螺紋高壓球閥CJZQ型法蘭式高壓球閥QJH型外螺紋高壓球芯截止閥QJH型內螺紋高壓球芯截止閥QJH型板式高壓球芯截止閥QJH型法蘭式高壓球芯截止閥QJH3型外螺紋高壓三通球閥QJH3型內螺紋高壓三通球閥KHB型外螺紋高壓球閥KHB型外螺紋帶焊接管高壓球閥KHB型內螺紋高壓球閥KHB-LR型高壓球閥KHB-SR型高壓球閥KHM型高壓球閥RKH型天然氣用高壓球閥 KHP型板式球閥KHB3K內螺紋三通球閥KHB3K外螺紋三通球閥KHB3K外螺紋帶焊管三通球閥BKH-SAE-FS球閥BKH-SAE型球閥KHSAE固定式法蘭球閥ZYQF型高壓球閥JZFS型焊接法蘭高壓截止閥 JZFS型內螺紋高壓截止閥JZFS型板式高壓截止閥JZFS型直角法蘭高壓截止閥YJF型高壓截止閥