... Reducer 2) Materials: Stainless steel 3) Standard: API, ANSI, ASME, JIS, DIN Description:1) Type ... Reducer 2) Materials: Stainless steel 3) Standard: API, ANSI, ASME, JIS, DIN 4) Size ... : As customer's requirement 5) Surface treatment: Transparent oil, rust-proof ... current international standard ISO9001: 2000, API Q1 6H-0013, ASME certificate. ... HG, SH, SY, DL, JB, API, ASTM, DIN, and JISB. We also ...