ZHONGTAI is an advanced technology company dedicated to the R&D, manufacture and trade of different types Kelly bar , various drilling tools, spare parts for rotary drilling rig.ZHONGTAI has d...

601 building 8 xingsha enterprise changsha hunan Changsha Hunan ***, 601 building 8 xingsha enterprise changsha hunan

For optimum packaging solutions, Hunan Unimate heavy industry is recognized among a huge a consumer market owing to Australia,Canada,Norway,New Zealand,United Kingdom export market share that we curre...