Place of Origin : Chengdu,China

Throop Rock Bit

At early days Throop started servicing local oilfield and related markets with machining, tooling, and related components.Throop Rock Bit Company has a very long and successful history in the drilling tools market. In 1961, Throop manufactured its first roller cone rock bit. It quickly became the world’s largest manufacturer of the smallest diameter roller cone bits, with sizes as small as 1 7/8” in diameter. Although we have steadily increased our size range, one thing ha