Quick opening of the porcelain valve, general kitchen switch for all copper cores, 4-minute cold mai

For single cold taps, triangulation valves, fast-opening taps, double-dip cold hot taps, etc. I don't know

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Friendship tips: dismantling the household's old valve core measurements before purchasing them, meeting the above dimensions, can be installed at more than 98%. I don't know

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I don't know

Quick opening of the porcelain valve, general kitchen switch for all copper cores, 4-minute cold maintenance accessories