Zhuzhou · Hunan · China — Hometown of Hard Metal +86-137-6222-7700 sales@starkhardmetal.com

Ball & Seat — Tungsten Carbide

Tungsten carbide ball and seat valve trims for slurry, wellhead and high-pressure service. API 6A certificates, lapped zero-leakage pairs.

20+ years OEM/ODM manufacturer of carbide rods, tips, dies, rolls & mining buttons. ISO 9001 controlled grades, custom non-standard parts in 15 days.

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