- Business
- PT Trimegah Bangun Persada Tbk (NCKL.JK), a subsidiary of Harita Group headquartered in Jakarta Indonesia and founded in 2004, engages in nickel mining and downstream processing on Obi Island in North Maluku Province; the company operates under a Mining Business Permit for nickel and associated minerals in Kawasi Village, South Halmahera Regency, with estimated reserves of 301.9 million wet metric tons as of end-2023. It conducts open-pit mining of saprolite and limonite nickel ores, followed by processing through two ferronickel smelters utilizing Rotary Kiln Electric Furnace (RKEF) technology--Megah Surya Pertiwi (MSP) with four production lines and Halmahera Jaya Feronikel (HJF) with eight lines, yielding up to 120,000 tons of ferronickel annually for stainless steel, battery, electronics, transportation, aerospace, and military applications; additionally, through its associate Halmahera Persada Lygend (HPL), it runs Indonesia's pioneering High Pressure Acid Leach (HPAL) refinery with three lines producing 55,000 tons of mixed hydroxide precipitate (MHP) yearly, plus nickel sulfate and cobalt sulfate since early 2023, serving electric vehicle battery raw materials, while a third RKEF smelter advances toward 305,000 tons capacity by mid-2025. Operations emphasize vertical integration, sustainability via dry stacking tailings and slag reuse in construction materials like paving blocks and roads, and national strategic projects including Obi Industrial Estate development since 2020. Recent developments include 2024 expansions with joint ventures PT CKM (40% stake) for limestone processing and PT BBS (via HPL's 94.26% interest) for refining residue handling; increased stake in battery materials associate PT ONC from 10% to 20%; and subsidiary PT GTS acquiring 99% of stone quarrier PT KKT; the company also announced a IDR 400 billion share buyback in May 2024 and advances stainless steel production plans with Lygend under ongoing smelter and refinery capacity builds.