불가리아 화학 및 재료 연구

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, Prista Oil, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, Prista Oil, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, Prista Oil, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP Plc(Castrol), TotalEnergies, ExxonMobil Corporation, Prista Oil, Shell plc

주요 선수 : CHEVRON CORPORATION, ExxonMobil Corporation, Prista Oil, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, LUKOIL, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, LUKOIL, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, LUKOIL, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : BP PLC(Castrol), ExxonMobil Corporation, LUKOIL, Royal Dutch Shell Plc, TotalEnergies

주요 선수 : 5N Plus, BASF SE, Xianyang Yuehua Bismuth Co., Ltd., Industrias Peñoles, Merck KGaA

주요 선수 : BP PLC(Castrol), Chevron Corporation, ExxonMobil Corporation, Royal Dutch Shell PLC, TotalEnergies

주요 선수 : BP PLC(Castrol), China National Petroleum Corporation, ExxonMobil Corporation, Royal Dutch Shell PLC, TotalEnergies

주요 선수 : BP PLC(Castrol), China National Petroleum Corporation, Exxon Mobil Corporation, Royal Dutch Shell PLC, TotalEnergies

주요 선수 : BP PLC(Castrol), China National Petroleum Corporation, China Petroleum & Chemical Corporation, ExxonMobil Corporation, Royal Dutch Shell PLC