In November 2025,
Tempo magazine reported that Tjoanda is listed as the largest shareholder of PT Karya Wijaya inherited from her late husband
Benny Laos, whose remaining shares are also held by their three children. PT Karya Wijaya initially owned a concession on
Gebe,
Central Halmahera Regency, covering an area of 500 hectares and a nickel production operation mining business permit number 502/34/DPMPTSP/XII/2020 valid until 4 December 2040. "The process is still ongoing; there are no final results yet due to discrepancies in the verification data, which will be announced in due course," said Barita Simanjuntak, spokesperson for the Forest Area Regulation Task Force. He confirmed that the Forest Area Regulation Task Force is working in accordance with applicable laws and regulations. Therefore, all actions taken are solely for the sake of regulation. Simanjuntak also stated that the Forest Area Regulation Task Force is still verifying and collecting data on mining operations in North Maluku. In fact, verification is being carried out in 14 provinces and 30 regencies/cities, covering a total land area of 37,990,693 hectares. "In
Southeast Sulawesi,
Central Sulawesi,
South Sulawesi, North Maluku,
Papua,
Bangka Belitung Islands,
Gorontalo,
North Sumatra,
Maluku, and
North Sulawesi," he said. According to Simanjuntak, there are 191 companies currently undergoing verification. The companies involved in the mining of nickel, coal, copper ore, gold, limestone, marble, quartz sand, iron ore, iron laterite, peridotite, and others. The alleged violations committed by PT Karya Wijaya were uncovered by the Mining Advocacy Network. The company, which operates on 51.3 hectares of land in Gebe, Central Halmahera Regency, and is owned by Tjoanda, was fined for illegal nickel mining activities. ==Personal life==