Member's display OSCARDAVID Hunan Tianying Technology Group Co.Ltd

Sunday, March 09, 2008

Quantity : we are a m

we are one professional manufacturer / exporter of rock drilling tools. Our main products include tricone bit(rotary bit), down the hole bits, button bits, cross bits, chisel bits, pick cutters, all steel cross bits, road picks for grader, road planning and trenching bits, drill rod...