HUNAN TIAN YING TECHNOLOGY CO.,LTD

HUNAN TIAN YING TECHNOLOGY CO.,LTD is one professional manufacturer / exporter of rock drilling tools, Our main products include tricone bit(rotary bit), down the hole bits, button cross chisel pick cutters, all steel road picks for grader, planning and trenching drill rod, coupling sleeve, ...

Telephone：86-733-8451992Address：hong gan road, zhu zhou, hu nan, China