Sink. Tuesday , January 30th , 2018 - 09:57:18 AM
And then the national standard copper is by the national standard GB18145-2014 requirements of the copper. The national standard and metal pollutants precipitation standard requirements. The national standard copper again HPb59 copper (copper content ≥ 59%, the national market mainstream, and exports to most European countries Are the kind of copper.
Also, there are North American CUPC lead-free copper, Australia's DR copper, the British and other 4MS copper, H62 copper (copper is relatively soft, for the processing of curved bends and other large parts) and so on. It is not complicated.
And there are some central parts of the city's water is made of zinc alloy (there are many domestic zinc alloy faucet.You say the country has banned the use of galvanized buildings in the building, and zinc alloy is still the flooded market.) This Kind of everyone remembers to avoid buying Oh!
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