Stainless hlau: 304 304L 316 316L 321 2520 310, 317, thiab lwm yam Carbon steel: A234WPB, A420WPL6, WPHY52, WPHY60, WPJHY65, WPHY70 thiab lwm yam. Phab ntsa: thickness: DN2CH-100, DN50, DN20, 100, 100, 200, IB GB/ T JB SH HG, raws li hauv qab no: GB / T12459-2017, GB / T13401-2017, ASME B16.9, SH3408, SH3409, HG / T2163 ...
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