PT MTI 北京（默青實業）是Provident投資集團和青山控股集團(世界五百強企業)下屬公司共同出資成立的外商獨資企業,旨在成為印尼經貿合作區青山工業園（IMIP）內“百萬噸硫鐵礦制酸項目”聯通中國的紐帶。MTI 北京（默青實業）將結合Provident 投資集團的雄厚資本和青山控股集團在印尼的工業園平臺兩大優勢，以自身礦產資源為依托，廣泛開展與國內格林美、力勤、德信、北礦院等公司的合作，共同搭建包括礦業技術創新、礦產品貿易、礦業設備生產制造、礦業人才培養等在內的綜合體系。
PT Merdeka Tsingshan Indonesia Beijing (MTI Beijing), a wholly foreign-owned enterprise between Provident Capital Group and a subsidiary of Tsingshan Holding Group (one of the Fortune 500), aims to be the bridge for communication with China for the “Acid Iron Metal Project with Production Capacity of Million Tonnes per Annum” located in the Indonesia Morowali Industrial Park. Integrating abundant capital from Provident and platform advantage of Tsingshan in IMIP, Merdeka Tsingshan China extensively works with Chinese enterprises including GEM China, Lygend Resource Technology, PT. Dexin Steel Indonesia and BGRIMM based on its own mineral resources and aims to jointly build a comprehensive system covering mining technology innovation, mineral product trade, mining equipment production and manufacture and industry talent development.