GB hot-dip galvanizing. The external thread of the water pipe is changed to the internal threaded pipe fittings. Big change small accessories 4 points 6 points 1 inch 1.2 inch 1.5 inch 2 inch core
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GB hot-dip galvanizing. The external thread of the water pipe is changed to the internal threaded pipe fittings. Big change small accessories 4 points 6 points 1 inch 1.2 inch 1.5 inch 2 inch core