... and ISO14001 approved 100% Pressure Test 1.Technical Standard:(1).Material: C3771, C37700N, CW614N, CW617N, MS58 as per request( ... Step QC Process 1) Material Control 2) Machining Quality Control 3) In-coming Material Inspection 4) Assembly line Quality Control 5) 100% leakage testing ... are very appreciate if you can tell us : Brass Material,DN,PN,Weight,Quantity,Packing,Delivery Time,Sample or Drawing ...