Mahali pa asili: Uchina Jina la Biashara: JCDRILL Nambari ya Mfano: NMLC,HMLC,AWG,BWG,NWG,NWM Aina: Core Drill Bit Nyenzo: almasi Tumia: kuchimba visima vya uchunguzi Vipande vya kuchimba: kidogo ya almasi