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Pipe Fitting: Elbow, Flange, Tee, Cross Joint, Bending Pipe, Pipe Cap, Pipe Union.
Stainless steel ball valve. Ruich could provide many types of valve product. please c...
Standard SY/T5037-2000，GB/T9711.1-1997 API 5L and etc. Size Range 219-3500*6-28 Ma...