الوصف

8 production standard editing. 
National Standard: GB/T9112-2000 (GB9113 ·1-2000 ~ GB9123 ·4-2000). 
American Standard: ANSI B16.5 Class150, 300,600,900,900, 1500, 2500 (WN, SO, BL, TH, LJ, SW) ANSI B16.47, ANSI B16.48. 
Daily standard: JIS 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW). 
German standards: DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634, 2545 (PL, SO, WN, BL, TH). 
Ministry of Chemical Industry Standards: HG5010-52~HG5028-58, HGJ44-91~HGJ65-91, HG20592-97 Series, HG20615-97 Series. 
Mechanical Department Standards: JB81-59~JB86-59, JB/T79-94~JB/T86-94, JB/T74-1994 pressure vessel Standards: JB1157-82~JB1160-82, JB4700-2000~JB4707-2000. 
Marks: GB568-65, GB569-65, GB2503-89, GB2506-89, GB/T10745-89, GB2501-89, GB2502-89