Size range: 1/2-275 INCH & 2.1-230 MM

Standard: API, A671, AS1163, EN10219, SANS657

Material: API 5L GR.A-X100,CB60,CC 60,etc

PARTNER: BAOSTEEL,YULONG, PCK,ZNSSP

Size range: 1/4-30-50 INCH & S20-SXXS

Standard: ASME B36.10, API 5L, EN10210, DIN17100, BIS3454

Material: API 5L GR.A-X100,ASTM A106B-C,ASTM A333 GR.6-GR.3,ASTM A335 P1-5-9-11-22,ASTM A53,A179,A192 

PARTNER: BAOSTEEL, TPCO, HYST, CITIC,CHANGJIANG

Size range: 1/8-48- INCH & 2MM-80MM

Standard: A213, A312, A269, A358, A789, EN10217, JIS G3459

Material: TP304,TP304L,TP316,TP316L,TP321,TP310S,TP904L,S31803

PARTNER: WUJIN, JIULI, TSINGSHAN, GANYEAH

Size range: DIN15-DIN3000, SCH5S-SCH160

Standard: ASME B16.49,  B16.9,  B16.11

Material: ASTM A234 WPB-C, ASTM A420 WPL6 WPL3, ASTM A234 WP1-9-11, ASTM A403 WP304 WP316 WP321, ASTM A815 UNS S31803

PARTNER: CANGHAI, FEITING, TNF, ZNHI, NFF

Size range: 1/2-60 INCH & 150LB-2500LB

Standard: ASME/ANSI B16.5, 16.47,  MSS SP-44

Material: ASTM A105,ASTM A350 LF2 LF3,ASTM A694 F52-65,ASTM A 182 F1-5-9-11-22,ASTM A182 F304 F316 F321,ASTM A182 UNS S31803

PARTNER: FEITING, HAOKUN, GUANLI, HUAXI