QAT4022-GGD02黄铜内外螺纹球阀
QAT340C黄铜内外螺纹球阀
QXT8021-GGD01黄铜内外螺纹球阀
QXT3021-GMD02黄铜内外螺纹球阀
QAT110黄铜内螺纹球阀
QXT2022-GGD01黄铜外螺纹球阀
QXT3022-GMD01黄铜外螺纹球阀
QXT3021-GMD01黄铜内外螺纹球阀
QXT4022-GRD01黄铜外螺纹球阀
QAT1300黄铜内管活接球阀
QAT1700A黄铜外内管活接球阀
QB2T900B黄铜内螺纹管活接球阀
