... , medical equipment, boiler heat-exchanger and other fields. 5.packing:standard export packing.6.Payment:by L/C sight or T.T + copy ... #grade321, 304, 304L, 316, 316L, 317, 317L,310s,904L etc.standard/ASTM/ASME/DIN/JIS and etccertificateISO,SGS,and third part ...