GOST Weld Neck Flange

Jinhang Pipeline supplies GOST weld neck flanges manufactured to applicable GOST 33259 and GOST 12821 requirements.

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GOST Flat Welding Flange

GOST slip-on flanges are designed for flange connections in industrial piping systems.

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GOST Blind Flange

GOST blind flanges are designed to close pipe ends, isolate pipeline sections, and seal openings in industrial piping systems.

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LATEST NEWS

Aug.06,2026

Certifications, Quality System and Export Experience

When international buyers evaluate a pipe fittings and flanges manufacturer, certifications are usually the first checkpoint.

Aug.06,2026

Carbon Steel vs. Stainless Steel vs. Alloy Steel: Pipe Fittings Material Selection Guide

Selecting the correct material for pipe fittings, flanges, elbows, tees, reducers, and related components is a project-specific decision. Operating temperature, pressure, fluid media, corrosion potential, applicable codes, and required documentation all influence which grade is suitable.