Thaum nws los txog rau tawv, txhim khu kev qha laum rods, TDS manufactures high-quality HDD (kab rov tav Directional Drilling) laum yeeb nkab thiab cuab yeej.Peb cov khoom zoo kab rov tav directional drilling khoom kov yeej cov kev xav tau tshaj plaws.Los ntawm tunneling nyob rau hauv txoj kev mus rau drilling nyob rau hauv hnyav congested cheeb tsam raws li zoo raws li ib puag ncig rhiab, peb muab tag nrho cov loj me me mus rau nruab nrab-loj kab rov tav directional drilling rigs.Tshwj xeeb, peb tsim thiab muab cov laum sib xws thiab cov kav dej rau cov HDD hauv qab no.