China Far Eastern Industry Co., Limited ke k'hamphani ea theknoloji e hlahisang petroleum, lisebelisoa tsa petro-chemical le lisebelisoa.Mechini ea Weifang Bochabela bo Hōle e sebetsa ka ho khetheha lipatlisisong le tlhahisong ea likotoana tsa ho cheka majoe, haholo-holo punte li-tricone, punte PDC, apri fori HDD, taglierine a rulli lisebelisoa tse amanang le tsona, masimo e kopo e kenyelletsa ho cheka seliba sa oli, ho cheka seliba sa khase, ho cheka seliba sa geotermico, merafo., lipatlisso tsa jeoloji, tlhahlobo ea metsi, ho cheka liliba tsa metsi, merero ea lipeipi tsa HDD le merero ea motheo.