Zhuzhou East Tools Co., Ltd, the key subsidiary of Hunan Tianying Technology Group Co., Ltd,

 is one state-appointed factory of mining tools under the jurisdiction of China National Nonferrous Metal Industry Corporation (CNCC), founded in 1958.

 The annual volume for the tri-cone bit and the rock drilling tools is 5000 pieces and 800,000 pieces respectively. For the other drilling tools, the annual production capability is 200,000 pieces.

The main products are divided into four series:

1.      Drilling tools for geological prospecting and mineral exploitation.

Tri-cone bit series, chisel bit series, cross and button bits series, down the hole bits series, drill bits series for coal cutting, core bits series, drill rods series, coupling sleeve series.

2.      Drilling tools for road construction and slope protection

Road planing and trenching bit series, road picks for grader series, blending shovels series, all steel cross bits series, drill bits series for cutting anchor hole.

3.      Drilling tools for steel refining in large steel works

Steel bit series and drill bits series for cutting iron hole

4.      Drilling tools for architectural engineering

Drill bit series for piling on the architectural base