About Us

Who We Are

Hunan Stark Hardmetal Co., Ltd. was established in the hometown of hard metal of China — Zhuzhou city. We manufacture cemented carbide (tungsten carbide) parts for mining, forming, machining and oil & gas applications.

What We Make

Carbide rods, welding tips, plates, dies, rolls, inserts, wear parts, ball & seat valve trims, mining buttons and non-standard OEM parts to customer drawings.

Quality

ISO 9001 controlled process: powder blending, vacuum sintering, CNC grinding, PVD coating and 100% batch inspection with HRA/HRC, Coercive Force and Transverse Rupture Strength reports.