Sté Anonyme Chérifienne d'Etudes Minières (Sacem) ay isang tagapagbigay ng mga produkto at serbisyo tulad ng antimonyo ores at mineral,barium ores at mineral,bismuth ores at mineral,caesium ores at mineral,seriyum at toriyum ores at mineral,copper ores at mineral,lead ores at mineral,mercury ores at mineral,tin ores at mineral,sink ores at mineral,mineral concentrates, mabigat metal,ores, mabigat metal, sintered,tsesiyum,polysulphides,posporus, simple, naproseso,posporus chlorides,posporus yodido,posporus pentoxide / posporus anhidrid,posporus sulphides,posporus sulphochloride,posporus tribromide,polyphosphates nes,posporus compounds nes,asing-gamot ng phosphonic acid (phosphonates),sulphur, simple, naproseso,sulphur, dalisay,kulay ng asupre oleate,sulpho-halogenic derivatives,kulay ng asupre compounds nes,sulphamates, metal, nes,carbon at derivatives,uling at derivatives,carbon disulphide,carbon plurayd,carbon oxychloride / carbonyl kloruro / posdyin,carbon oxysulphide,carbon sulphides,carbon compounds nes,silicon, simple,silicon, dalisay,silicon asetato,silicon karbid,kwats / silikon dioxide, silisik anhidrid,silicon haydreyt,silikon hydrides, silane,silicon monoksaid,nitride silicon,silikon tetrachloride,silikon tetrafluoride,silikon compounds nes,caesium tawas,caesium bromuro,caesium karbonat,caesium kloruro,tsesiyum chromates,tsesiyum dioxide,caesium plurayd,caesium yodido,caesium nitrayd,caesium sulpit,caesium asing-gamot nes,tsesiyum compounds nes,tulagay posporus carbon, silikon at tsesiyum compounds, dalisay.