Solutions

Certification: API-20E, API-6A，NORSOK M-650

Requirements: Resistant to 350℃, 100MPa, and extreme operating conditions, and resistant to hydrogen sulfide corrosion

Product application: wellhead equipment for drilling platforms, casing connection for ultra-deep wells

Certification: API-20E

Requirements: Chemical corrosion resistance (acid/alkali environment), high tensile strength (≥860MPa), and guaranteed sealing performance

Product application: bolts for high-pressure reactors, flange connections for chemical fluid pipelines, and fastening of petrochemical equipment

Certification: PED, AD2000，UKCA

Requirements: Resistant to high temperature and high pressure corrosive media, with a dual sealing structure

Product application: reactor flange sealing, heat exchanger fastening

Certification: EN14399, NORSOK M-650

Requirements: Strength of 10.9 grade or above, salt spray resistance for 1000 hours or more

Product application: tower flange connection, blade hub fatigue resistance fixation

Certification: PED, GOST-R

Requirements: nuclear-grade low-cobalt material, pre-tightening force error ≤5%

Product application: Nuclear reactor pressure vessels, high-strength connections for boiler steel frames

Certification: ABS, EAC

Requirements: B1 grade 9.8, shear resistance ≥115KN

Product application: structural support for offshore platforms, anchoring of marine containers

Certification: CPR-EN14399, EN15048

Requirements: Preload control

Product application: seismic joints for large bridges, tunnel segment connections

Certification: GOST-R, EAC

Requirements: Impact toughness at -40℃

Product application: ring groove riveting for mining machinery, structural components of port cranes