Design and manufacture conform to BS5352 , MSS SP - 118;
Test and inspection conform to: API 598 , GB/T13927 , JB/T9092
Materials conform to ANSI/ASTM
Main materials:
A105 , LF2 , F5 , F11 , F22 , 304(L) , 316(L) , F347 , F321 , F51 , Monel , 20 Alloy¡­