LANGFANG UQIER DRlLL BIT CO., LLTD. d amefni n tmercict n trikonen ed tmerc n PDC, Ifarien-nneɣ ttban-d s tqebbart s tmeddurt n API akked ISO9001 LANGFANG UQIER DRlLL BIT CO., LLTD. Yettwal-d deg 1990. Nekkni n yisaɣen-nteɣ uqbel s tɣawsiwin ed n tɣawsiwin n tmerwin n tmerwin akk s watiwin n yezmer-nnes. Ifaṛen-nneɣ ttnuzun deg ugar n 30 n tmura yernu iqedsen n uputit ed n tmanfut, mliḥ d tisnarin niḍen. D aɣel, uɣef n uɣef n tmeɣlil (HDD), Geothermal ed tmeddurt. Imeddawen-nneɣ yesɛan da, ad k-id-yettqef s kullec seg wakken ad tferneḍ cwiṭ n tɣawsa n lḥeqq n tɣawsa n umaḍal. Iswi-nteɣ netta ad d-yefk i yisufin n tmerwin, n tḥebsiwin akked n tɣawsiwin akked n leɣla deg tnarawen. Aṭas n yiseggasen n tmerni n tmerni, sleɣen d aḥanut n tmacin. Sɣelmemt-d i wawal. Szezfed n tkecmeḍ-nni, ttban-d tɣellist dima d asewwa-nneɣ.